Features: Hot forging al - mg alloy is characterized by high strength, light weight and easy to carry. Great grip: Comfortable rubber handle adds the friction and protects climber's hand. Solid stainless steel cam: Made of stainless steel, rustproof and anticorrosion, can handle most situation and service for long. It is equipped with a high elastic spring, which is convenient for one-handed installation. Suitable for rock climbing, mountaineering, etc. Specification: Condition: 100% brand new Material: aluminium magnesium alloy Colour: as picture shown Size: approx. 20*9cm/7.9*3.5in Package List: 1 x Climbing Descender.