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Series 20 Blocks, Series 40, Series 60 Ratchet Blocks (p363)

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Men's Regatta Smock Top
Ronstan Men's Regatta Smock Top Top, Red, . Newest thinking in a smock top features a more close-fitting cut so you can wear it under your PFD with full freedom of movement. R-Tech5 shell is highly waterproof yet breathable, and the lightest weight possible without compromising performance. Fine...
Brand: Ronstan
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Series 40 Orbit Block Accessories
Ronstan Series 40 Orbit Block Accessories Swivel Shackle Base . Accessories to Ronstan Series 40 Orbit blocks.
Brand: Ronstan
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Stand Up Base
  • Stand Up Base
  • Sailboat Hardware > Blocks > Sheaves > Parts & Bases
  • $31.52 - 34.81 USD
Ronstan Stand Up Base . Stand-up base fits the head post of Series 50 blocks for added versatility. Diamond shape base measures 2" x 3" Pin diameter: 3/16" MWL: 1100lb. Use 3/16" fasteners
Brand: Ronstan
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Replacement Sheaves
Ronstan Replacement Sheaves Sheave, 2" Dia., 5/16" Bore, 5/8" Width, Aluminum, Oilite Bearing . All are for rope except RF1118, which is also for wire.
Brand: Ronstan
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Snap Shackle Adapter with Trunnion
Ronstan Snap Shackle Adapter With Trunnion . Snap shackle adapter with Trunnion converts your Ronstan blocks for new uses. Trunnion snap shackles can move in two planes (pivot and swivel) to maintain optimum articulation. Fits blocks with shackle pins up to 5mm (3/16") Investment cast stainless...
Brand: Ronstan
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Stand Up Spring for 40mm Smart Ratchet Block
Ronstan Stand Up Spring For 40mm Smart Ratchet Block . Adjust the ratchet to optimize your performance! 40mm Smart-ratchet blocks are ideal for spinnaker, mainsheet and jibsheet applications on dinghies and off-the-beach catamarans, or for control lines on larger boats. The unique adjustment...
Brand: Ronstan
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Ball & Socket Swivel Base
Ronstan Ball & Socket Swivel Base And . Accepts all Series 38 and 45 swivel top blocks. Holds blocks upright without capsizing. Stainless steel Weighs 2.3 oz
Brand: Ronstan
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Cheek Block Curved Base Adapter, Series 40
Ronstan Cheek Block Curved Base Adapter, Series 40 . Cheek blocks can be mounted on masts and booms with this curved surface adapter. Fits Series 40 cheek blocks
Brand: Ronstan
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Snap Shackle Head Adapter
Ronstan Snap Shackle Head Adapter . Convert your existing Series 38, 40, 45 and 50 single swivel blocks for new uses. Snap shackle head adapter, stand-up base adapter and spring-loaded 1" track slide with head adapter fit most competitors like products.
Brand: Ronstan
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Backstay Insulators/Antennas
Ronstan Backstay Insulators/antennas Insulator, 5/16in Wire . Turn your backstay into an antenna! For your steel wire backstay to serve as an SSB or ham radio antenna, it must be electrically isolated at both ends. This technically advanced, lightweight insulator is used at the top and bottom of...
Brand: Ronstan
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Marine Swage Eyes
  • Marine Swage Eyes
  • Sailboat Hardware > Mast & Standing Rigging > Rigging Terminals
  • $7.79 - 34.81 USD
Ronstan Marine Swage Eyes Eye, 3/16" Wire, 3/8" Dia. . Used to connect wire to fittings with clevis pins, like mast terminals, forks, double jaw turnbuckles, etc. Type 316 stainless. Marine eyes are heavier and stronger than aircraft eyes.
Brand: Ronstan
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Stainless Sailmakers Thimbles
Ronstan Stainless Sailmakers Thimbles Thimble, 1/8"dia. Wire/line, 11/32" Inside Width . Sailmakers thimbles are completely enclosed and should be used anywhere a thimble is needed on running rigging to prevent chafe on the lines.
Brand: Ronstan
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Series 29 Utility Blocks
Ronstan Series 29 Utility Blocks Block, Fiddle, Rivet Eye, 660lb. Swl, 1.8oz. . Stainless-steel cheeks and Acetal sheaves for light applications like dinghy vangs or outhauls or cunninghams and spinnaker controls on larger boats. Sheave: UV stabilized Acetal Bearings: Plain bearings Sheave Size:...
Brand: Ronstan
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Series 40 All Purpose Blocks
Ronstan Series 40 All Purpose Blocks Block, Fiddle, 882lb. Swl, 3.2oz. . Much stronger than other same-size blocks and much more compact than other blocks handling the same loads. Smart features include a unique captive lock universal head fitting and an adjustable cam arm. The ball bearing...
Brand: Ronstan
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Series 50 All Purpose Blocks
Ronstan Series 50 All Purpose Blocks Block, Triple, 2,650lb. Swl, 2.9oz. . Strong, durable and economical blocks with a unique captive lock universal head fitting that allows the blocks to be fixed in either of two planes, or to swivel freely. Becket pins are removable for fitting spliced lines....
Brand: Ronstan
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Series 60 Multi Purpose Blocks
Ronstan Series 60 Multi Purpose Blocks Block, Fiddle With Beckett And Adjustable Cam, 2,310 Swl (lb.), 19.2oz. . Black cheeks are made from chromed stainless steel for good looks and strength. Flared line entry reduces chafe and allows line to run freely. Universal swivel head lets you select...
Brand: Ronstan
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Wire Blocks
  • Wire Blocks
  • Sailboat Hardware > Blocks > Ronstan Blocks
  • $9.29 - 33.96 USD
Ronstan Wire Blocks Block, Single, Rivet Eye (can Accept Pin Dia. To 3/8" Through Head), 1 3/4" Sheave Dia., 5/32" Max. Wire, 1,870 Swl, 3.7oz. . Single blocks can double the power of a rope tackle using a cascading block system. Blocks up to 1" sheave diameter are stainless steel with...
Brand: Ronstan
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Series 60 Ratchet Blocks
Ronstan Series 60 Ratchet Blocks Block, Single/becket, 660lb., 5.3oz. . Great for dinghy mainsheets on boats such as the Laser, 470 and 49er. Spinnaker sheets on dinghies, especially modern asymmetric classes, sportboat mainsheet systems, vang, traveller and control lines on larger boats....
Brand: Ronstan
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Series 40 Ball Bearing Blocks
Ronstan Series 40 Ball Bearing Blocks Block, Single Upright Lead, Hi Load, 1,100lb. Swl, 2.1oz. . Much stronger than other same-size blocks and much more compact than other blocks handling the same loads. Smart features include a unique captive lock universal head fitting and an adjustable cam...
Brand: Ronstan
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Series 20 Blocks
  • Series 20 Blocks
  • Sailboat Hardware > Blocks > Ronstan Blocks
  • $10.16 - 77.56 USD
Ronstan Series 20 Blocks Block, Pivoting Lead, 550lb. Swl, 1.0oz. . Two-stage bearing system with stainless-steel ball bearings handles very high safe working loads. Designed for small diameter, high-tech line on high-performance dinghies and control lines on sport and race boats. Each double...
Brand: Ronstan
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Spinnaker Pole Slides
Ronstan Spinnaker Pole Slides Slide, 1" Track Size, 1/4 Ring . All slides are made of stainless steel with spring pin stops.
Brand: Ronstan
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Sheave Boxes & Lead Blocks
Ronstan Sheave Boxes & Lead Blocks Exit Style, 7/8" Dia., 1/8" Max. Line, 350lb. Swl, 1.1oz. . Stainless steel blocks with plastic or metal sheaves. Can be mounted inside an extrusion to lead lines out, or for turning lines on deck to lead them back to the cockpit. Sheave: 3/4" Bearings: Plain...
Brand: Ronstan
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Series 60 & 75 Orbit Blocks
Ronstan Series 60 & 75 Orbit Blocks Block, Halyard Single, 3" Sheave Size, 5,400lb. Swl, 8.9oz. . These exceptionally strong blocks feature the performance Orbit sheave with captive Acetal ball bearings for side thrust loads, eliminating the need for side retainer plates. This reduces weight and...
Brand: Ronstan
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Series 75 Rachet Blocks
Ronstan Series 75 Rachet Blocks Block, Pivoting Low Lead, 930lb. Swl, 9.5oz. . High load rating and versatility make Ronstan Series 75 ratchet blocks a great choice Ronstan's Series 75 ratchet blocks provide exceptional holding power in a strong, lightweight block. Sized for mainsheet...
Brand: Ronstan
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Series 30 Ball Bearing Mini Blocks
Ronstan Series 30 Ball Bearing Mini Blocks Block, Single, Swivel Shackle, Slotted Post Head, 660 Swl, 1.3oz. . Like Ronstan Series 20 blocks, but with larger (1-3/16") sheave diameter, higher SWL and Acetyl not stainless steel bearings. High-Load (HL) blocks feature a Nylatron sheave suitable...
Brand: Ronstan
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Series 60 Core Blocks
Ronstan Series 60 Core Blocks Block, Double, Non Swivel Head, 1/2" Max. Rope Dia., 2200lb. Mwl, 4410lb. Breaking Load, 13.8oz. . Use them anywhere: Core Blocks are a true all-around solution. For reliability and a long service life, these blocks are the right choice for sheets, halyards and...
Brand: Ronstan
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Series 75 Core Blocks
Ronstan Series 75 Core Blocks Block, Single, 9/16" Max. Rope Dia., 5/16" Pin 3300lb. Mwl, 6600lb. Breaking Load, 12.5oz. . Use them anywhere: Core Blocks are a true all-around solution. For reliability and a long service life, these blocks are the right choice for sheets, halyards and control...
Brand: Ronstan
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Series 25 Lightweight Blocks
Ronstan Series 25 Lightweight Blocks Single Block, 660lb. Swl, 0.5oz. . Stainless-steel blocks with Acetal sheaves for reduced weight. Slightly flared cheeks provide fair leads on dinghy control lines. Sheave: UV stabilized Acetal Ball Bearings: Plain bearings Sheave Size: 1" (25mm) Line Dia.:...
Brand: Ronstan
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Series 20 Block, Single Hook
Ronstan Series 20 Block, Single Hook . Block-S20 BB Single Hook|Block-S20 BB Single Hook
Brand: Ronstan
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Series 70 Ball Bearing & Ratchet Orbit Blocks
Ronstan Series 70 Ball Bearing & Ratchet Orbit Blocks Block, Single/becket 660lb. Swl, 5.1oz. . Practical Sailor's Ratchet Block Click-Off rated Ronstan's Orbit block "Overall, the most impressive with its grip, versatility, and lightweight design." With all the same high-strength, light weight...
Brand: Ronstan
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