SKU: AL8610Professional Fixed Pulley Gear Mountaineering Rock Climbing Traverse-solving Carriage pulleyName: Small pulleyMaterial: 7075 aircraft grade aluminium Size: width4.4cm height8.2cm ring diameter1.6cmColor: red, purple, blue, orangeNet weight: 87gMultipurpose: water crossing slack line transportation descending expanding pulley system etc Friendly reminder:please check and maintain your gear in order to avoid danger caused by misuse while working or playing at height .