Specification Brand : equlup BulletPoint1 : Strong Aluminum: Adopted hot wrought aluminum alloy, which has high strength, light weight, easy to carry and other features, suitable for daily use. A functional micro pulley to tend hitches in rope climbing systems. Making an efficient redirect pulley in light rigging or hauling mechanical advantage systems BulletPoint2 : Little Wear: Concave pulleys are made of stainless steel, suitable for wire rope, the smooth exterior, can minimize the rope wear, prolong the wire service life. The micro pulley can build mechanical advantage systems of most kinds: haul your partner out of a crevasse, rig loads in mountaineering, pull out a stranded car, haul food and stuff out of reach when camping BulletPoint3 : Double Bearings: Double bearings can effectively support the high speed rotation of pulley by reducing its friction coefficient in the process of motion, more effortless to use. Also as an efficient general-purpose pulley for daily use, DIY pulley rope fitness home gym, suspending your bikes in the garage, tensioning system for you slackline, and more BulletPoint4 : Portable Item: Has small size and light weight, making the dual trolley pulley easy to carry with your bags and backpacks, will not increase the burden or cause additional fatigue. This micro pulley can be used in many other daily applications as well, such as hauling, transporting, lifting cargo, yoga hammock and other mechanical activities BulletPoint5 : Package Content: The package contains only a pulley, other accessories like ropes need to be prepared by yourself, please make sure you are clear about this. This pulley is suitable for mountaineering, rock climbing, rappelling, aerial work, expansion exercises, etc., widely used. Color : Orange ItemName : Zipline Pulley, Tandem Speed Double Trolley Aluminum Zipline Swivel Pulley Rock Climbing Rope Pulleys for Aloft Work Rappelling Rescue ItemPackageDimensions_Height : 4 centimeters ItemPackageDimensions_Length : 11 centimeters ItemPackageDimensions_Width : 8 centimeters ItemTypeKeyword : climbing-pulleys Manufacturer : equlup ModelNumber : equluptsc9i6mo3e NumberOfItems : 1 PartNumber : equluptsc9i6mo3e ProductDescription : Item Type: Zipline Pulley Material: Aviation Aluminum + Stainless Steel Color: Gray Model: ZWA006 Application: For Mountaineering, Rock Climbing Weight: Approx.280g/9.9oz