Harken 16mm Airblock Single Block Sale_20plus AutoRatchets are ideal for use

AutoRatchets are ideal for use in spinnaker sheet systems when you want the sheave to spin freely and let the sheet out quickly when gybing

For the following part numbers:

Expertly crafted from high-grade 6061-T6 aluminum

Benefitting from flex zones and a pre shaped construction to fit your hands

Harken 16mm Airblock Single Block Sale_20plus AutoRatchets are ideal for useThe 16 mm is Harkens 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 404 uses an O ring to keep the line in the sheave during intermittent loading. Sheave 16 mm Length 29 mm Weight 10 g Maximum Line 5 mm Maximum Working Load 113 kg Breaking Load 544 kg