APS - Blocks
Call Us: 800 - 729 - 9767
Allen Dynamic Bearing Blocks Allen Plain Bearing Blocks Harken Loop Blocks Harken T2 Blocks Harken TTR Airblocks Harken Carbo AirBlocks
Allen Dynamic Bearing BlocksAllen Plain Bearing BlocksHarken Loop BlocksHarken T2 BlocksHarken TTR Airblocks Harken Carbo AirBlocks
Harken Black Magic Blocks Harken Midrange Blocks Harken ESP Blocks Harken Small Boat Blocks Lewmar Racing Blocks Lewmar Synchro & Synchro Control Blocks
Harken Black Magic BlocksHarken Midrange BlocksHarken ESP BlocksHarken Small Boat BlocksLewmar Racing BlocksLewmar Synchro & Synchro Control Blocks
Ronstan Core Blocks Ronstan Orbit Blocks Ronstan Ball Bearing and All-Purpose Blocks Ronstan Lightweight All-Purpose Blocks High Tech Soft Blocks Selden Ball Bearing and Roller Bearing Blocks
Ronstan Core BlocksRonstan Orbit BlocksRonstan Ball Bearing and All-Purpose BlocksRonstan Lightweight All-Purpose BlocksHigh Tech Soft BlocksSelden Ball Bearing and Roller Bearing Blocks
Selden Plain Bearing Blocks Karver Blocks Ratchets & Auto Ratchets Specialty and Wire Blocks Snatch Blocks & Magic Boxes Low Friction Rings and Blocks
Selden Plain Bearing BlocksKarver BlocksRatchets & Auto RatchetsSpecialty and Wire BlocksSnatch Blocks & Magic BoxesLow Friction Rings and Blocks
Springs, Boots & Stand-up Bases
Springs, Boots & Stand-up Bases




Sailing Blocks: Ratchet Blocks, Ball Bearing Blocks, High Load Blocks, Becket Blocks, Cheek Blocks, Fiddle Blocks, Sheaves, Springs, Boots and Stand Up Bases
Sailing blocks are one of the most essential pieces of hardware on any racing or cruising sailboat. They can be a single or multiple pulley with one or many sheaves between cheeks. Blocks run lines through to create purchase or change the direction of a line. From dinghies to big sail boats, they are needed to perform many of the necessary tasks of a crew.

Blocks come in many sizes and configurations. Sailing blocks come most commonly in single, double or triple, depending on number of sheaves and sizes based on sheave diameter. Next, there are traditional or high load blocks, depending on the necessary safe working load. Last, there are different configurations and attachments which includes beckets, cheeks, fiddle, hexaratchet, ratchet, snatch, loop, dyneema loops. They come in many forms including ball bearing, aluminum sheave, ratchet, snatch or high tech Dyneema loops. From high load to low load applications, sailing blocks perform essential functions.

Whether you’re looking for mainsheet blocks, boom vang blocks, turning blocks we’ve got the top from the major names in sailing blocks:

Harken Blocks: Classic Blocks, Micro Blocks, Small Boat Blocks, Black Magic, Carbo Airblocks, Midrange Blocks, ESP Cruising Blocks.
Lewmar Blocks: Racing Blocks, Synchro Blocks, Synchro Control Blocks
Ronstan Blocks: Orbit Blocks, Ball Bearing Blocks, All Purpose Blocks, Lightweight Blocks, Core Blocks.
Allen Blocks: Plain Bearing Blocks, Dynamic Bearing Blocks
Equiplite Blocks: High Tech Soft Blocks
Selden Blocks: Ball Bearing Blocks, Roller Bearing Blocks and Plain Bearing Blocks
Karver Blocks: K Blocks


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Annapolis Performance Sailing
104 Severn Avenue
Annapolis, MD 21403
(410) 268-3676