Harken 16mm Narrow Block - Bronze Sheave

Harken 16mm Sheave Self-contained sheaves are designed for sailors to use in custom applications. 16 mm AirBlock® sheaves are Delrin® and feature stainless ball bearings that ride in a grooved race...

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 ball sin a captive grooved race and...

Harken 57mm Aluminium Narrow Mast Collar ESP Block Cruising ESP blocks complement our existing blocks in looks and function, but are simpler in design and construction. Sheaves feature sleeve...

Harken Sheave Assembly - 57mm Black Magic Block Delrin Sheave assembly. Captive delrin ball bearings carry side loads. Part Number Weight HKN-438 20.7g

Harken 57mm 5-Sheave Block - Swivel Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to our popular Harken Big Boat blocks, these small, compact blocks have...