Blocks

This 16mm Single beckett block is one of the smallest blocks made by harken. On the RS Aero, it is part of the vang system.

The 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 working load. The...

Compact blocks have very high working loads for safe, easy trimming. Harken Part # 350

Harken 22mm becket block.  Harken Part # 225A LP Part # 91336

Low-friction Micro blocks are compact and lightweight. They are ideal for lightly loaded control lines on boats of all sizes. Zim Applications C420: vang cascade and 2:1 control, centerboard uphaul Club Opti: sprit halyard   Harken Part # 224A LP...

Low-friction Carbo AirBlocks® are lightweight, strong, reliable—and affordable. These small, compact blocks have very high working loads for safe, easy trimming. Zim Applications C420/CFJ: spin sheet block, outhaul block on boom   Harken...

Made of durable, flexible PVC, stand-up boots holdblocks up without snagging lines. Fits 40 mm and 57 mm blocks  Zim Applications Opti: mainsheet block Harken Part # 369

This block is a special version of the 224 22 mm single Micro block with a removable sheave. The sheave rivet has been replaced with a clevis pin and cotter ring. Micro block sheaves run on Delrin® ball bearings for fast trim and release under load...

Low-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 trimming. Sheave: 29 mm / 1 1/8...

Low-friction Carbo 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 trimming. Sheave: 29 mm / 1 1/8 in Length:...