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 Midrange Single w/Aluminum Sheave Block - 1542
Harken
MSRP: $213.70$187.95Midrange Single with Aluminum Sheave BlockMidrange blocks’ robust construction makes them ideal to handle the high loads found on medium and large offshore boats. Sheave runs exclusively on a ball bearing system for fast trim and release under any...MSRP: $213.70$187.95 -
Wichard Snatch Block w/Snap Shackle - Max Rope Size 12mm (15/32") - 34500
Wichard Marine
MSRP: $313.00$202.84Snatch Block with Snap Shackle - Max Rope Size 12mm (15/32")Features:Free rotation thanks to snap shackleVery strong closing systemEasy opening by simply pulling on the plunger pinShock and scratch-resistant thanks to the elastomer molded...MSRP: $313.00$202.84 -
Harken 57mm Aluminum Low Load Black Magic Block w/Swivel
Harken
MSRP: $236.25$207.9557mm Aluminum Low Load Black Magic Block with SwivelBlack Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free-running, powerful performers are used for sail controls that see lots of action: mainsheet,...MSRP: $236.25$207.95 -
Harken 60mm Element Stand Up Block
Harken
$215.8560mm Element Stand Up BlockStand-up blocks are an addition to our Element line. Use them for sheeting and halyard systems, running backstays, controls and other applications where you don’t want the block to hit the deck.Element blocks introduce...$215.85 -
Harken 60mm Double Aluminum Element Block w/Swivel & Becket
Harken
$156.5060mm Double Aluminum Element Block with Swivel & BecketElement blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very robust. Element’s design pairs the minimum...$156.50 -
Harken 40mm Carbo Air Block w/Cam Cleat & Becket
Harken
MSRP: $146.65$128.9540mm Carbo Air Block with Cam Cleat & BecketLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for...MSRP: $146.65$128.95 -
Schaefer Series 7 Stand Up Ball Bearing Swivel Block - 2-3/8" 60mm
Schaefer Marine
MSRP: $257.95$198.43Series 7 Stand Up Ball Bearing Swivel Block - 2-3/8" 60mmSingle stand up ball bearing block. Stand up spring keeps block upright when not in use. Stainless steel base spreads load out and may be used with 97-49 backing plate. (sold separately) Delrin(tm)...MSRP: $257.95$198.43 -
Harken 57mm Carbo Quad Block - Swivel
Harken
MSRP: $238.10$209.9557mm Carbo Quad Block - SwivelLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to our popular Harken Big Boat blocks, these small, compact blocks have very high working loads for safe, easy trimming...MSRP: $238.10$209.95 -
Harken 57mm Quad Block Swivel, Center Becket
Harken
MSRP: $239.65$168.0657mm Quad Block Swivel, Center BecketLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to our popular Harken Big Boat blocks, these small, compact blocks have very high working loads for safe, easy trimming...MSRP: $239.65$168.06 -
Harken 40mm Carbo Single Ratchet Block w/Swivel Becket & Cam Cleat
Harken
MSRP: $171.85$150.9540mm Carbo Single Ratchet Block with Swivel Becket & Cam CleatCarbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing. Features:Sheave Ø (mm): 40 mmSheave Ø (in): 1-9/16...MSRP: $171.85$150.95 -
Schaefer Spring Loaded/Lined Slide/Aluminum f/1" T-Track
Schaefer Marine
MSRP: $239.55$184.27Spring Loaded/Lined Slide/Aluminum for 1" T-TrackDelrin™ sheave ensures smooth operation and high safe working load. Anodized aluminum cheeks and stainless steel slider ensure reliability. Polyethylene liner and pin stop allow for easy adjustment...MSRP: $239.55$184.27 -
Schaefer Stand-Up Swivel w/Aluminum Cheeks
Schaefer Marine
MSRP: $206.70$159.00Stand-Up Swivel with Aluminum CheeksDelrin™ sheave ensures smooth operation and high safe working load. Specifications:Sheave Dia. 2" (51 mm)Max Line 7/16" (11 mm)Diameter includes urethane base 2-7/8" (73 mm)Height 4-1/32" (103 mm)H2 2-3/32"...MSRP: $206.70$159.00