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.
Suitable Rope:
- Size 0: 5/16″ (8 mm)
- Size 1: 3/8″ (10 mm)
- Size 2: 1/2″ (12 mm)
- Size 3: 1/2″ (13 mm)
- Size 4/5: 7/16″ (14 mm)
- Size 6: 5/8″ (16 mm)