Marine Sailboat Dinghy 35mm 1 3/8" Single Swivel Shackle Block Master BP-3501F Sailboat Dinghy 35mm 1 3/8" Single Swivel Shackle Plain Bearing Block Small Boat Block Master BP-3501F Master Plain Bearing blocks come in different sizes from 35mm (1 3/8") to 90mm (2 1/3")sheaves. They are also in comprehensive range of sizes and configurations. The high strength composite sideplates are still glass reinforced Nylon composite with UV-Stabilizer. The excellent weather-ability protects blocks from breaking down for any sailing conditions. 35mm Plain Bearing blocks are designed for sailborads, dinghies and control lines of all different configurations. Adjustable cleat arm can be set to optimum angle. Specification: Sheave Ø (mm) 35 mm Sheave Ø (in) 1 3/8 inch Length (mm) 78 mm Length (in) 3 inch Weight (g) 36 g Weight (oz) 1.29 oz Maximum line Ø (mm) 8 mm Maximum line Ø (in) 5/16 in Maximum working load (kg) 300 kg Maximum working load (lb) 661 lb Breaking load (kg) 600 kg Breaking load (lb) 1320 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. Shipping by China Post ePacket/Registered Air Mail with shipping tracking number provided. It will take about 3-4 weeks’ time to deliver to you after shipping out, some countries may take longer time to deliver. If you want faster delivery, please contact me for shipping upgrade.