57mm Black Magic AirBlock, High-Load Strap Head with Becket, 2,500lb. SWL, 3.6oz. from HARKEN
Strong, lightweight aluminum blocks for offshore boats Used for sheets, halyards, running backstays and control lines on offshore boats, these strong, lightweight blocks are made of sculpted aluminum with Torlon rollers and carbon black balls for strength and UV protection. Cheek Material/Finish: 6160-T6 Hardkote anodized aluminum . Sheave Size: 57mm (2-1/4") . Construction: Three fasteners for quick disassembly. Plastic isolators separate dissimilar metals. Three-way head system.

29mm Carbo Clew Block Assembly from HARKEN
From the folks who invented ball bearing blocks, this line of blocks boasts an excellent strength-to-weight ratio. 29mm doubles and triples feature a U-lock to hold the swivel in the front or side position, or allow it to spin freely. Use the 40mm blocks for jib and mainsheet systems on high-performance dinghies, and for high-load control lines on small keelboats. The 57mm blocks have an enormous working range that makes them ideal for main and jib sheets, spinnaker halyards and control lines.

Hi-Load Ti-Lite Car, Torlon Bearings, 850lb. SWL from HARKEN
These lightweight, solid aluminum and compact captive ball (CB) travelers are built to handle very high loads. Captive ball bearings let you roll the cars on and off the track without using a ball loader. Boat Size: Dinghies, multihulls, to small offshore boats. Material: One-piece solid aluminum . Shackle: Pivoting toggle models—fasten control blocks directly to post without needing a shackle. Sheave: Fixed sheave models—mainsheet loads 40° or less from vertical.

Series 60 Orbit Block, Single Light-Load, 2-3/8" Sheave Size, 1,710lb. SWL, 4.7oz. from RONSTAN
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. The 75mm webbing block (RF79107) can be used where swivel head and shackle attachment is not required to achieve further weight savings. Sheave Size: 2-3/8" (60mm) or 3" (75mm). Line Diameter: Series 60: 1/2" (12mm), Series 75: 9/16" (14mm). Cheek Material/Finish: Anodized aluminum.

Delrin Sheave, 1/2" Max. Line Dia., 1-7/16" OD, 3/8" ID, 5/8" Width from SCHAEFER
Schaefer sheaves are designed to be compatible with Schaefer products, and are not intended for use in other manufacturer's blocks. Delrin sheaves are injection molded with UV inhibitors and monitored molding cycles for a stronger product.

300 Series Fairlead Block, Fixed Style, 2-7/32" x 3/4" from SCHAEFER
Same as the Schaefer 200 Series fairlead blocks, but with twice the working load. Use #10 fasteners. Configuration: Lead block. Sheave: UV-stabilized white Delrin®. Ball Bearings: Delrin. Sheave Size: 1-7/16" (37mm). Line Diameter: 7/16". Cheek Material/Finish: Polished stainless.

Large Dinghy Snatch Block, 9/16" Line Dia., 40mm Sheave Dia., 1300 SWL from HOLT ALLEN
Glass-filled nylon cheeks with 316 stainless straps increase working efficiency more than 50% with minimal weight increase. Stainless ball bearings in a polypropylene cassette. For spinnaker sheet, jib sheet turning blocks, etc. Cheek Material/Finish: Glass filled nylon. Ball Bearing: Stainless ball bearings. Opening: Hinged cheek/axle.

Ratchet Orbit Block, Cheek, Counter-Clockwise, 550lb. SWL, 2.7oz. from RONSTAN
Practical Sailor's Ratchet Block Click-Off rated Ronstan's Orbit block "Overall, the most impressive with its grip, versatility, and lightweight design. It can be set at a 0 or 90 degree orientation, provides stress-free articulation without allowing the block to over-rotate, and is locked in place with a security clip that doesn’t require tools to fit. The Dyneema link is also more compatible with carbon, Dyneema and webbing connection points than steel loop tops or shackles.

Series 40 Ratchet Block, Single/Cleat, 385lb. SWL, 3.4oz. from RONSTAN
Practical Sailor's Ratchet Block Click-Off rated Ronstan's Orbit block "Overall, the most impressive with its grip, versatility, and lightweight design. " The newest addition to Ronstan’s Orbit range of super lightweight, fiber-reinforced blocks. Ideal for sheet applications on dinghies up to 16' and control line applications for small keel boats. There are two styles of Series 40 ratchet blocks. Many of the top Grand Prix Laser sailors are switching to Orbit blocks.

60mm Racing Fiddle Block with Becket & Cleat, 882lb. SWL, 12.4oz. from LEWMAR
For chafe-free, low-friction tackles. Sheave: Anodized aluminum alloy . Ball Bearings: Delrin® . Sheave Size: 2-3/8" (60mm) & 1-5/8" (40mm) . Line Dia. : 3/8" max. . Cheek Material/Finish: Anodized aluminum alloy . Shackle/Strap Type: Swivel with three-way locking, drilled-out head . Cleat: Model with cleat: adjustable arm, aluminum cam cleat .

Corrosion Block, 12oz. Aerosol from LEAR CHEMICAL
Stops corrosion on all metalsThis anti-corrosion lubricant/penetrant stops or prevents corrosion on all metals. Its hydrophobic chemistry acts like an "off switch" to prevent dissimilar metal corrosion. Leaves a non-toxic, non-greasy, clean, clear protective film that blocks corrosion in a wide variety of applications, including marine electronics, batteries, circuit panels, standing rigging, fishing gear and inboard or outboard motors. 12oz. aerosol or 32oz.

Corrosion Block, 32oz. with Refill Sprayer from LEAR CHEMICAL
Stops corrosion on all metalsThis anti-corrosion lubricant/penetrant stops or prevents corrosion on all metals. Its hydrophobic chemistry acts like an "off switch" to prevent dissimilar metal corrosion. Leaves a non-toxic, non-greasy, clean, clear protective film that blocks corrosion in a wide variety of applications, including marine electronics, batteries, circuit panels, standing rigging, fishing gear and inboard or outboard motors. 12oz. aerosol or 32oz.

Swivel Anchor Connector, 5/16"–7/16" Chain, 2750lb. SWL from WEST MARINE
18-8 stainless swivel connectors prevent snagging at the anchor/chain connection, slide easily over anchor rollers and prevent the chain from becoming twisted while the anchor is set. Attach with a single set screw (using the Allen wrench included).

Furler Kit for Boat Length to 16', 500lb. SWL, 1/8" Max. Wire dia., 1/4" Pin dia., 2-1/2" Pin-to-Pin, 5/32" Furling Line dia. from HARKEN
Furl or set your jib from your cockpit Harken small boat furlers allow the sail to be set and furled from the cockpit, a critical convenience in many racing dinghies and trailerable sailboats. Constructed of Hardkote anodized Teflon-impregnated aluminum, they feature multiple stacked races of Delrin or Torlon ball bearings for smooth rotation under load. The jib’s luff wire must be properly seized to the sail, since it carries most of the headstay load. 434 furler for dinghies under 16ft. (4.

RigTune Pro Digital Rig Tension Gauge from HARKEN
Old-fashioned spring gauges, like the Loos Pro, don’t provide repeatable numbers. This product does. Unlike spring-loaded gauges, the Harken Rigtune Pro measures rig tension to the nearest kilogram. A load cell records the pressure on one of the pins and the measurement is displayed on a simple, easy-to-read screen. The Rigtune Pro fits a specific range of rigging sizes, 2. As rigging is deflected over three pins on the back of the gauge, a load cell records the pressure on one of the pins.