
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.
-
Lewmar 90mm Synchro Block - Single
Lewmar
MSRP: $178.95$121.1690mm Synchro Block - SingleLewmar's Synchro Blocks are engineered for speed, efficiency, and superior handling. Using a combination of scientifically optimized block geometry, a Free-Spin bearing, and a self-aligning head to reduce friction and...MSRP: $178.95$121.16 -
Harken 40mm Carbo Block Single w/Swivel & Bracket
Harken
MSRP: $49.80$43.9540mm Carbo Block Single with Swivel & BracketLow-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: $49.80$43.95 -
Harken 29mm Double Bullet Block w/Becket
Harken
MSRP: $65.85$57.9529mm Double 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 applications...MSRP: $65.85$57.95 -
Harken 38mm Double Big Bullet Block
Harken
MSRP: $103.10$90.9538mm Double Big Bullet BlockLow-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 applications...MSRP: $103.10$90.95 -
Harken 38mm Single Big Bullet Block w/Becket
Harken
MSRP: $45.85$40.9538mm Single 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: $45.85$40.95 -
Harken 38mm Single Big Bullet Block
Harken
MSRP: $41.10$35.9538mm Single Big Bullet BlockLow-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 applications...MSRP: $41.10$35.95 -
Schaefer Single Stainless Steel Block - 51mm Sheave
Schaefer Marine
MSRP: $99.20$76.31Single Stainless Steel Block - 51mm SheaveSingle block with stainless steel cheeks. Delrin™ sheave ensures smooth operation and high safe working load. Specifications:Sheave Dia. 2" (51mm)Thickness 15/16" (24mm)Width 2 1/8" (54mm)Length 4...MSRP: $99.20$76.31 -
Harken 22mm Double Micro Block w/Becket
Harken
MSRP: $45.15$39.9522mm Double Micro Block with BecketLow-friction Micro blocks are compact and lightweight. Specifications:Sheave: 22mm / 7/8in.Length: 64mm / 2.5in.Weight: 43g / 1.5oz.Maximum line: 6mm / 1/4in.Maximum working load: 159kg / 350lbBreaking load: 544kg/...MSRP: $45.15$39.95 -
Harken 16mm Block
Harken
MSRP: $19.85$17.9516mm BlockThe 16 mm is Harken’s® smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses stainless steel balls in a captive grooved race and has a 250 lb (113 kg) maximum...MSRP: $19.85$17.95 -
Harken 57mm Carbo Air Fiddle Block w/Swivel & Becket
Harken
MSRP: $82.15$72.9557mm Carbo Air Fiddle Block with Swivel & 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...MSRP: $82.15$72.95 -
Harken 57mm Carbo Air Block w/Swivel
Harken
MSRP: $62.20$54.9557mm Carbo Air Block with SwivelLow-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 safe, easy...MSRP: $62.20$54.95 -
Out of Stock
Harken 40mm Carbo Air Fiddle Block w/Swivel & Becket
Harken
MSRP: $65.60$57.9540mm Carbo Air Fiddle Block with Swivel & BecketLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken® Black Magic® line, these small, compact blocks have very high working...MSRP: $65.60$57.95