Description: Made of aluminum and magnesium alloy shell and stainless steel pulley. Feature efficient bearings for high-speed adventure. For climbing, rescue, aloft work, engineering, caving, etc. Fits for 8-13mm ropes The product has got CE certification Specification: Material: Aluminum and magnesium alloy, stainless steel Color: Gold Strength: 30KN Dimension: approx 10.6*7.2cm Use Rope: 8-13MM Package Includes: 1 x Pulley