Harken 16mm Airblock Single Block with Narrow Ferrule Head Shipping_Standard This high-quality lever ensures precise

This high-quality lever ensures precise and effortless adjustment of your dinghy’s forestay tension

The wrap-around

Sheave 57 mm Length  125 mm Weight  255 g Shackle Pin  5 mm Maximum Line  10 mm  Maximum Working Load  272 kg Breaking Load  680 kg Holding Power 10:1

A range of styles lets these blocks adapt to almost all control line applications

The ball and guide is manufactured from solid aluminium in three parts:-

Harken 16mm Airblock Single Block with Narrow Ferrule Head Shipping_Standard This high-quality lever ensures preciseThe 16 mm is Harkens smallest block. It is perfect forsmall synthetic control lines found on high tech dinghies. The patented bearing system uses stainless steel ballsin a captive grooved race and has a 250 lb (113 kg) maximum working load. The 467 uses a narrow sheave for extremely small control lines and has a ferrule head for soft attachments. Sheave 16 mm Length 37 mm Weight 12 g Maximum Line 4 mm Maximum Working Load 113 kg Breaking Load 339 kg