The Size 3 (1 3/4″) TUPHblox Triple Block can be used with a shackle or with rope. It is available with becket if required. It is suitable for rope up to 1/2″ (13 mm). TUPHblox are made from a phenolic resin laminate with cotton reinforcement commonly known as Tufnol. It is strong durable and lightweight. All blocks are made with stainless steel (316) bindings and run on brass bearings.

Specifications:

• Max Rope Diameter: 1/2″ (13 mm)
• Sheave Size: 1 3/4″ (45 mm)
• Break Load: 1694 lbs (770 kg)
• Swl: 848 lbs (385 kg)
• No. Of Sheaves: Triple