Blocks
Sailing blocks are essential components for optimizing sailboat performance, providing smooth and efficient control over the sails. These marine blocks are available in various sizes and types, including single, double, and triple blocks, designed to handle different line loads and configurations. Constructed from durable materials like stainless steel, nylon, and carbon fiber, sailing blocks are built to withstand harsh marine environments, ensuring long-lasting reliability. Key features to consider include block sheaves, load ratings, and ball bearings for minimal friction and maximum efficiency. Whether you need traveler blocks, deck blocks, or sail handling blocks, the right selection ensures smoother sail trims and quicker adjustments. Leading brands like Harken, Lewmar, and Antal offer high-quality sailing blocks that are easy to install and maintain. Choosing the right block and tackle system for your sailboat enhances maneuverability, improves performance, and provides better control while sailing, making them a must-have for any sailing enthusiast or racer.
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Harken 38mm Double Big Bullet Block w/Becket
Harken
MSRP: $108.00$94.9538mm Double Big Bullet Block with BecketLow-friction Bullet blocks lead control lines aft. They are compact and lightweight, with fast trim and release under high or low loads. A range of styles lets these blocks adapt to almost all control line...MSRP: $108.00$94.95 -
Schaefer Series 5 Flat Base/Alum Cheek/Delrin Sheave
Schaefer Marine
MSRP: $98.90$76.08Series 5 Flat Base/Alum Cheek/Delrin SheaveDelrin™ sheave ensures smooth operation and high safe working load. Stainless steel base distributes loads to a large surface area. Specifications:Sheave Diameter 2" (51 mm)Max. Line 7/16" (11...MSRP: $98.90$76.08 -
Schaefer Clamp-On Furling Line Stanchion Lead Block - 1" Ball Bearing
Schaefer Marine
MSRP: $81.50$62.69Clamp-On Furling Line Stanchion Lead Block - 1" Ball BearingDelrin™ ball bearing sheave allows for quick and easy furling line adjustment. Stainless steel cage and strap ensure durability. Specifications:Stanchions 1" (25mm) in diameter1-7/16"...MSRP: $81.50$62.69 -
Schaefer Series 3 Flat Base/Alum Cheek/Delrin Sheave
Schaefer Marine
MSRP: $80.30$61.76Series 3 Flat Base/Alum Cheek/Delrin SheaveDelrin™ plain bearing sheave ensures smooth operation and high safe working load. Stainless Steel base distributes loads to a larger surface area.Specifications:Sheave Dia. 1-7/16" (37 mm)Max Line 7/16"...MSRP: $80.30$61.76 -
Schaefer Pulpit Furling Lead Spring Loaded Block - 1" Ball Bearing
Schaefer Marine
MSRP: $163.75$125.96Pulpit Furling Lead Spring Loaded Block - 1" Ball BearingThe Stainless Steel spring guarantees maximum support for the block. Delrin™ ball bearing sheave ensures low-friction lead for your furling line. Specifications:1" (25mm)...MSRP: $163.75$125.96 -
Schaefer Series 7 Flat Base/Aluminum Cheek/Delrin Sheave
Schaefer Marine
MSRP: $142.25$109.43Series 7 Flat Base/Aluminum Cheek/Delrin SheaveDelrin™ sheave ensures smooth operation and high safe working load. Stainless steel base distributes loads to a large surface area. Specifications:Sheave Dia. 2-3/8" (60 mm)Max. Line 1/2" (13...MSRP: $142.25$109.43 -
Schaefer Single Aluminum Block - 60mm Sheave
Schaefer Marine
MSRP: $125.60$96.61Single Aluminum Block - 60mm SheaveDelrin™ sheave ensures smooth operation and a high safe working load. Swivel head may be locked in place to eliminate twisting. Specifications:Sheave Diameter 2 3/8" (60mm)Thickness 1 3/32" (28mm)Width 2 1/2"...MSRP: $125.60$96.61 -
Schaefer Single Ball Bearing Block
Schaefer Marine
MSRP: $115.25$88.66Single Ball Bearing BlockSingle block with aluminum cheeks and ball bearing sheave. Delrin™ ball bearing sheave ensures low-friction operation. Swivel head may be locked in place to avoid twist. Specifications:Sheave Diameter 2"...MSRP: $115.25$88.66 -
Schaefer Series 5 Flat Base Cheek Block - Stainless Steel Cheeks
Schaefer Marine
MSRP: $111.70$85.92Series 5 Flat Base Cheek Block - Stainless Steel CheeksSeries 5 Cheek Block with Stainless Steel cheek. Delrin™ sheave ensures smooth operation and high safe working load. Stainless steel base distributes loads to a large surface area...MSRP: $111.70$85.92 -
Schaefer Single Stainless Steel Block - 60mm Sheave
Schaefer Marine
MSRP: $163.75$125.96Single Stainless Steel Block - 60mm SheaveDelrin™ sheave ensures low-friction and high safe working load. Swivel head may be locked in place to eliminate line twist. Specifications:Sheave Dia. 2 3/8" (60mm)Thickness 1 3/32" (28mm)Width 2 1/2"...MSRP: $163.75$125.96 -
Harken 22mm Double Micro Block
Harken
MSRP: $41.70$36.9522mm Double Micro BlockLow-friction Micro blocks are compact and lightweight. Specifications:Sheave: 22mm / 7/8in.Length: 51mm / 2in.Weight: 43g / 1.5oz.Maximum line: 6mm / 1/4in.Maximum working load: 159kg / 350lbBreaking load: 544kg/ 1200 lb ...MSRP: $41.70$36.95 -
Harken 22mm Micro Block w/Becket
Harken
MSRP: $19.15$16.9522mm Micro Block with BecketLow-friction Micro blocks are compact and lightweight. Specifications:Sheave: 22mm / 7/8in.Length: 51mm / 2in.Weight: 21g / .75oz.Maximum line: 6mm / 1/4in.Maximum working load: 91kg / 200lbBreaking load: 544kg/ 1200 lb ...MSRP: $19.15$16.95