Double pulley for Tyrolean traverses and zip-lines with two stainless steel sheavesFeatures:- each sheave is equipped with a pair of sealed ball bearings for great durability- hard aluminium alloy body is black an odized and protects the sheaves from damage- large attachment point can accommodate up to three carabiners- second attachment point for back-up carabiner or tackle systems building- two sheaves prevent from twisting, thus providing smooth and more stable ride- intended mainly for moving on a zip wire (Tyrolean traverse)- suitable also for rescue, work and other acitivities at height- for use with static and dynamic ropes or with steel cables- unique serial numberSpecifications:- Weight: 290 g 10.2 oz- Material: side plates - al. alloy, sheaves and axles - stainless steel, bearings - steel- Strength: 25 kN- Max. diameter of rope: textile rope 13 mm, steel cable 12 mm- Bearing: sealed ball bearings