Series 40 Organizer with 2 Sheaves from RONSTAN
These deck organizers are an effective means of deflecting halyards and control lines to winches and stopper cleats. Cheeks are manufactured from aircraft-grade aluminum and hard-coat anodized for durability. All-purpose sheaves handle extreme high loads and all configurations can be stacked. Sheave diameter: 1 5/8" (40mm). Max. line size: 1/2" (12mm). Max.

Mast Base Lead Block, Hi-Load, 2-1/4" Sheave Dia., 3/8" Line Dia., 2,500lb. SWL from HARKEN
For leading lines aft and over cabin tops or coamings. Narrow sheave carriers permit mounting several in a small area. Low lead profile keeps lines close to the deck. Standard block features a stainless shell, Delrin sheaves and roller bearings. High-load blocks have aluminum sheaves with ball bearings and Teflon-composite bushings designed to carry the high static loads of halyards. Sheave: 1-3/4". Sheave Size: 1986: 1-3/4" (44mm); 1988 & 3002: 2-1/4" (57mm).

Mast Base Lead Block, Hi-Load Over-the-Top, 2-1/4" Sheave Dia., 3/8" Line Dia., 2,500lb. SWL from HARKEN
For leading lines aft and over cabin tops or coamings. Narrow sheave carriers permit mounting several in a small area. Low lead profile keeps lines close to the deck. Standard block features a stainless shell, Delrin sheaves and roller bearings. High-load blocks have aluminum sheaves with ball bearings and Teflon-composite bushings designed to carry the high static loads of halyards. Sheave: 1-3/4". Sheave Size: 1986: 1-3/4" (44mm); 1988 & 3002: 2-1/4" (57mm).

Spring-Loaded Block, Fits 1" Track Size, 2" Sheave Dia., 7/16" Line Dia., Aluminum Cheeks, 1,750lb. SWL from SCHAEFER
Captive liners allow blocks to glide along the track virtually without friction, yet they handle up to 3,500lb. of tension or compression load. They swivel 45° to each side of the track and their patented design prevents blocks from hitting the deck when sheets are flogging. For sails up to 715 sq. ft. and boats to 38’. Bearings: Plain bearing. Shackle/Strap Type: 45° stand-up-spring shackle on T-Track slider. Configuration: Genoa lead block, 1" or 1-1/4" T-Track.

40mm Carbo Lead Block Assembly, Fits 1" (25mm) Stanchions, 485lb. SWL, 3.7oz. from HARKEN
These stanchion lead blocks have free-rolling ball bearings to lead line aft for safe furling from the cockpit. Use the 7401 40mm block on the bow pulpit as an inboard lead. The 7402 features a ratchet to control spooling when unfurling. The 7401 and 7402 have ball and socket bases to align blocks for smooth leads aft. The 7403 has a 29mm sheave and allows the furling line to travel outboard of the stanchion to keep the side deck clear. Mounts to stanchion with a four-screw clamp.

Spring-Loaded Block, Fits 1" Track Size, 1-7/16" Sheave Dia., 7/16" Line Dia., Aluminum Cheeks, 1,000lb. SWL from SCHAEFER
Captive liners allow blocks to glide along the track virtually without friction, yet they handle up to 3,500lb. of tension or compression load. They swivel 45° to each side of the track and their patented design prevents blocks from hitting the deck when sheets are flogging. For sails up to 715 sq. ft. and boats to 38’. Bearings: Plain bearing. Shackle/Strap Type: 45° stand-up-spring shackle on T-Track slider. Configuration: Genoa lead block, 1" or 1-1/4" T-Track.

Lead Block Kit (includes all three blocks) from HARKEN
These stanchion lead blocks have free-rolling ball bearings to lead line aft for safe furling from the cockpit. Use the 7401 40mm block on the bow pulpit as an inboard lead. The 7402 features a ratchet to control spooling when unfurling. The 7401 and 7402 have ball and socket bases to align blocks for smooth leads aft. The 7403 has a 29mm sheave and allows the furling line to travel outboard of the stanchion to keep the side deck clear. Mounts to stanchion with a four-screw clamp.

29mm Outboard Lead Block Assembly, 3.0oz. from HARKEN
These stanchion lead blocks have free-rolling ball bearings to lead line aft for safe furling from the cockpit. Use the 7401 40mm block on the bow pulpit as an inboard lead. The 7402 features a ratchet to control spooling when unfurling. The 7401 and 7402 have ball and socket bases to align blocks for smooth leads aft. The 7403 has a 29mm sheave and allows the furling line to travel outboard of the stanchion to keep the side deck clear. Mounts to stanchion with a four-screw clamp.

Spring-Loaded Block, Fits 1" Track Size, 2" Sheave Dia., 7/16" Line Dia., Stainless Cheeks, 2,750lb. SWL from SCHAEFER
Captive liners allow blocks to glide along the track virtually without friction, yet they handle up to 3,500lb. of tension or compression load. They swivel 45° to each side of the track and their patented design prevents blocks from hitting the deck when sheets are flogging. For sails up to 715 sq. ft. and boats to 38’. Bearings: Plain bearing. Shackle/Strap Type: 45° stand-up-spring shackle on T-Track slider. Configuration: Genoa lead block, 1" or 1-1/4" T-Track.

35' Boat Size Snatch Block, 1-3/4" Sheave Dia., 5/8" Line Dia., 3,530lb. Max. SWL from RONSTAN
Features include 15-5 PH stainless shackle and attachment bolt for strength, soft PVC cheeks that prevent damage to decks and eliminate clatter, cast 300 series stainless steel hasp and hardware, stainless roller bearings for smooth operation. The RF6741 blocks have removable aluminum sheaves, midrange (RF6710, 6711, 6720, and 6721) feature Acetal sheaves, and big boat 6751 sheaves are removable stainless steel. Black. Cheek Material/Finish: Soft PVC. Bearings: Stainless needle bearings.

32' Boat Size Snatch Block, 2-1/2" Sheave Dia., 1/2" Line Dia., 2,200lb. Max. SWL from RONSTAN
Features include 15-5 PH stainless shackle and attachment bolt for strength, soft PVC cheeks that prevent damage to decks and eliminate clatter, cast 300 series stainless steel hasp and hardware, stainless roller bearings for smooth operation. The RF6741 blocks have removable aluminum sheaves, midrange (RF6710, 6711, 6720, and 6721) feature Acetal sheaves, and big boat 6751 sheaves are removable stainless steel. Black. Cheek Material/Finish: Soft PVC. Bearings: Stainless needle bearings.

35' Boat Size Snatch Block with Trunnion, 1-3/4" Sheave Dia., 5/8" Line Dia., 3,310lb. Max. SWL from RONSTAN
Features include 15-5 PH stainless shackle and attachment bolt for strength, soft PVC cheeks that prevent damage to decks and eliminate clatter, cast 300 series stainless steel hasp and hardware, stainless roller bearings for smooth operation. The RF6741 blocks have removable aluminum sheaves, midrange (RF6710, 6711, 6720, and 6721) feature Acetal sheaves, and big boat 6751 sheaves are removable stainless steel. Black. Cheek Material/Finish: Soft PVC. Bearings: Stainless needle bearings.

57mm Carbo Ratchet Lead Block Assembly, Fits 7/8", 1" (22, 25mm) Stanchions, 500lb. SWL, 5.4oz. from HARKEN
These stanchion lead blocks have free-rolling ball bearings to lead line aft for safe furling from the cockpit. Use the 7401 40mm block on the bow pulpit as an inboard lead. The 7402 features a ratchet to control spooling when unfurling. The 7401 and 7402 have ball and socket bases to align blocks for smooth leads aft. The 7403 has a 29mm sheave and allows the furling line to travel outboard of the stanchion to keep the side deck clear. Mounts to stanchion with a four-screw clamp.

50' Boat Size Snatch Block with Trunnion, 3-1/4" Sheave Dia., 3/4" Line Dia., 6,610lb. Max. SWL from RONSTAN
Features include 15-5 PH stainless shackle and attachment bolt for strength, soft PVC cheeks that prevent damage to decks and eliminate clatter, cast 300 series stainless steel hasp and hardware, stainless roller bearings for smooth operation. The RF6741 blocks have removable aluminum sheaves, midrange (RF6710, 6711, 6720, and 6721) feature Acetal sheaves, and big boat 6751 sheaves are removable stainless steel. Black. Cheek Material/Finish: Soft PVC. Bearings: Stainless needle bearings.

32' Boat Size Snatch Block with Trunnion, 2-1/2" Sheave Dia., 1/2" Line Dia., 2,200lb. Max. SWL from RONSTAN
Features include 15-5 PH stainless shackle and attachment bolt for strength, soft PVC cheeks that prevent damage to decks and eliminate clatter, cast 300 series stainless steel hasp and hardware, stainless roller bearings for smooth operation. The RF6741 blocks have removable aluminum sheaves, midrange (RF6710, 6711, 6720, and 6721) feature Acetal sheaves, and big boat 6751 sheaves are removable stainless steel. Black. Cheek Material/Finish: Soft PVC. Bearings: Stainless needle bearings.