The 16 mm is Harken’s 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 Ø (mm) 16 mm Sheave Ø (in) 5/8 in Length (mm) 46 mm Length (in) 1 13/16 in Weight (g) 12 g Weight (oz) .44 oz Maximum line Ø (mm) 5 mm Maximum line Ø (in) 7/32 in Fasteners (mm) 4 RH mm Fasteners (in) #8 RH in Maximum working load (kg) 113 kg Maximum working load (lb) 250 lb Breaking load (kg) 544 kg Breaking load (lb) 1200 lb