Youngneer Climbing Zip Line Pulley 30KN Double Tandem Speed Dual Trolley with 25kN Carabiner for 1/4 5/16 3/8 1/2 Cable for Zipline Climbing Rescue Pulley

Specification: Pulley  Material:  Aluminum-magnesium alloy & stainless steel Cable Diameters?Max Rope Diameter: 13mm/0.5 inch Max Cable Diameter: 12mm/0.36 inch Maximum Breaking Strength: 30KN/ 6700LBS Maximum Rotation Speed: 35 m/s Certification: CE Certified Pulley Length: 106mm/4.2 inch Pulley Width: 88mm/3.5 inch Pulley Hold Dia.: 18mm/0.7 inch Carabiner Material: Stainless Steel Breaking Strength: 25kN/5511LBS Certification: CE Certified Features: Smooth Bearings Well polished concave dual bearings will not get stuck, rolling smoothly with little resistance when using. Its maximum rotation speed could reach to 35 m/s. Study Construction Adopted hot-forged aluminum-magnesium alloy shell and stainless steel ball bearing, this double trolley is sturdy, durable and strong. 30KN/ 6700LBS Maximum Breaking Strength 6700LBS large breaking strength can meet all your requirements of various application. Very safe and reliable. Applicable Cable Diameters Suitable for the 1/4, 5/16, 3/8, 1/2 Cable & Rope Wide Application: ? Backyard zipline/ swing seats/ baby bouncer/setting ? Dog run tie-out ? Outdoor Adventure Activities: climbing, bungee jumping, caving, camping ? Professional Uses: lifting, rescue, aerial work, hanging Wia Be carefully: To ensure your safety, please check whether there has cracks, deformation or corrosion your on pulley; or check whether the bearing balls could rotate smoothly. 100% Satisfaction Guarantee: 12-Month Warranty; No satisfied ,Free reason for return;  We back our product 100% for its durability