Harken 3T V Sheave - Wide Tulip High-load titanium V sheaves feature the same incredibly efficient bearing set of angled titanium rollers as Harken’s V blocks. Harken V sheaves are extremely...

Harken 5T Aluminum V™ Block The V block delivers another breakthrough in Harken’s loop block series for Grand-Prix racers. Harken engineers have simplified the mechanics by combining the axial and...

Harken Wide Sheave, 64mm Self-contained sheaves are designed for sailors to use in custom applications. Midrange sheaves come in either Delrin® or aluminum for wire. Delrin® is a registered...

Harken 40mm Exit Block - Wide Sheave When you race HARD, and you rip through as many hoists and douses as we do sailing W-L legs all the time, you should expect to start wearing through the...

Harken 1.5T Aluminum V™ Block - Wide The V block delivers another breakthrough in Harken’s loop block series for Grand-Prix racers. Harken engineers have simplified the mechanics by combining the...

Harken 3T Aluminum V™ Block - Wide The V block delivers another breakthrough in Harken’s loop block series for Grand-Prix racers. Harken engineers have simplified the mechanics by combining the...

Harken 6.5T Aluminum V™ Block - Wide The V block delivers another breakthrough in Harken’s loop block series for Grand-Prix racers. Harken engineers have simplified the mechanics by combining the...

Harken 114mm Sheave Big Boat sheaves are available for special applications as well as for replacement sheaves in Big Boat blocks. Made of hardcoat-anodized, PTFE-impregnated 6061-T6 aluminum,...

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...