Description: Rope Pulley Features: Material:aluminium-magnesium alloy Color: red Strength: 20kN Dimension: approx. 8 x 4.5 cm / 3.15 x 1.77 inch Suitable for 8-12mm Rope Carabiner Features: Strength: 26kN / 5900lbs D Shape, auto locking Ideal for pulleys, tackles, ascenders or descenders Dimension: approx. 11 x 6.8 cm / 4.33 x 2.68 inch Material:Aluminum Color: black Package Includes: 1 x Rope Pulley 2 x Carabiners