Marine Boat Yacht Sailboat Dinghy 75mm 3 Inch Poviting Lead Aluminum Cleat Fairlead Block Small Boat Block Master FF-0701FE Master Small Boat Poviting Lead Block is made of CNC machined Black Hardcoat-Anodized Aluminum alloy cheeks to provide excellent strength and lightweight. Derlin shaves with UV protection run on self-lubricant ball bearing system for fast trim and release. These Poviting Lead blocks can be applied in various leads such as halyard leads, mainsheet leads, and spinnaker sheet leads. Specification: Brand: Master Part Number: FF-0701FE Sheave Ø (mm) 75 mm Sheave Ø (in) 3 in Length (mm) 145mm Length (in) 5 7/10 in Weight (g) 454 g Weight (oz) 16.10 oz Maximum line Ø (mm) 12 mm Maximum line Ø (in) 7/16 in Maximum working load (kg)150 kg Maximum working load (lb) 330 lb Breaking load (kg) 350 kg Breaking load (lb) 770 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.