Harken 16mm Airblock Single Block with Narrow Ferrule Head Ai_Description The hook and loop closure

The hook and loop closure means they can be easily fitted over waterproof layers if needed

Perfect for use on dinghies and flag poles

it’s plenty strong enough

Weight 95 g Diameter 125  mm Cut Out 140  mm Fixing Size  3 mm

reliable and affordable

Harken 16mm Airblock Single Block with Narrow Ferrule Head Ai_Description The hook and loop closureThe 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