Harken 16mm Hook-In Halyard Block - 391

Harken 16mm Hook-In Halyard Block Harken's smallest block, the 16mm AirBlocks are perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses stainless steel balls in a captive, grooved race. The safe working load of 250lbs is the highest on the market for similarly sized blocks. The Hook-in Halyard block is designed for to hook through cunningham and leech grommets. Specifications Sheave Dia. 5/8 in 16 mm Length. 1 5/8 in 41 mm Weight 0.5 oz 13 g Maximum Line Dia. 7/32 in 5 mm Maximum Working Load 250 lbs 113 kg Breaking Load 400 lbs 181 kg