The 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.Sheave(mm)16mmLength (mm)46mmWeight (g)41gMaximum line(mm)5mmMaximum working load (kg)318kgBreaking load (kg)544kg








