Marine Boat Yacht Sailboat Dinghy 16mm 5/8 Inch Swivel base Block Small Boat Block Master SB-1613F Master's smallest block, 16mm is designed for small synthetic control lines found on dinghies. Stainless Steel Ball Bearing provides the good and smooth rotation and polished 316 L Stainless Steel sideplates give optimal maximum working load. Specification: Brand: Master Part Number: SB-1613F Sheave Ø (mm) 16 mm Sheave Ø (in) 5/8 in Length (mm) 33mm Length (in) 1 3/10 in Weight (g) 20 g Weight (oz) 0.72 oz Maximum line Ø (mm) 5 mm Maximum line Ø (in) 7/32 in Maximum working load (kg)120 kg Maximum working load (lb) 264 lb Breaking load (kg) 550 kg Breaking load (lb) 1210 lb •Do not use Master products to human suspension! Destination custom duty/tax are not included in the listing price; it is the customer's responsibility to pay for custom duty if any.