Features 1Scope of Application: Rock climbing, downhill, theme amusement park, cargo transportation, hoisting, overhead crossing, electric rescue, etc. 2Sturdy Material: Double climbing pulley is made of aluminum alloy and stainless steel material, high strength, good wear resistance and smoother. 3Heart Shaped: There is an arc hanging point on the upper and lower sides of the heart shape, which strictly follows the mechanical design, which is more stable and safe. 4Double Bearing Design: The double bearing supports the pulley to rotate at high speed. Ball bearing mechanical power. 5Lightweight and Portable: Light in weight, easy to carry, will not increase your burden, can bring you more convenience. Specification Item Type: Double Climbing Pulley Product Material: Aluminum Alloy, Stainless Steel Cross Pulling Force: 30KN Weight: Approx. 289g / 10.2oz Package List 1 x ClimbingPulley