Sailboat Hardware 72mm 2 5/6" Single Swivel Shackle Fiddle Plain Bearing Block Master BP-7219F 72mm Plain Bearing block can handle extremely high loads. The block features a self-lubricant bearing with Acetal busing. All materials are UV-resistant and Anti-corrosion. An exclusive Face to Face locker system can be easily engaged to position shacke in either of two directions or just free to swivel. A locker system also can take more loads then traditional ways without damaging the block and hassle. Patent pending in Australia, US, UK, France, Netherlands, China, Germany, and Taiwan. •Do not use Master products to human suspension! Specification:Brand: MasterPart Number: BP-7219FSheave Ø (mm) 72 mmSheave Ø (in)2 5/6 inLength (mm)190mmLength (in)7 1/2 inWeight (g)283 gWeight (oz)9.98ozMaximum line Ø (mm) 12 mmMaximum line Ø (in)1/2 inMaximum working load (kg) 600 kgMaximum working load (lb)1320 lbBreaking load (kg) 2173 kgBreaking load (lb)4780 lb 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.