Marine Boat Yacht Sailboat Dinghy 57mm 2 1/4 Inch Stainless Steel Padeye Block Small Boat Block Master SSC-5708F Master Hercules Blocks are specialized made for Crusining boats to handle static high load. They are available in Hardkote-Anodized Aluminum and Hand-Polished Stainless steel. Hercules Blocks include Teardrops, Footlocks, Swivels, and Fiddles. Patent pending in Australia, US, UK, France, Netherlands, China, Germany, and Taiwan. Specification: Brand: Master Part Number: SSC-5708F Sheave Ø (mm) 57 mm Sheave Ø (in) 2 1/4in Length (mm) 95mm Length (in) 3.74in Weight (g) 208g Weight (oz) 7.33oz Maximum line Ø (mm) 16 mm Maximum line Ø (in) 5/8 in Maximum working load (kg) 1100kg Maximum working load (lb) 2420 lb Breaking load (kg) 2000 kg Breaking load (lb) 4400 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.