Material: Aluminum Alloy, Stainless Steel Size: 105*82mm Color: Blue, Red, Gold Quantity: 1 Piece Package Content: 1 x High Hollow Heart-Shaped Zipline Pulley 1. Safety Guarantee Ensures Security – This zipline pulley is constructed with a stainless steel wheel shell and stainless steel ball bearing, making it lightweight and durable for outdoor adventure use. 2. High Strength – Designed with a robust build, this tandem double pulley supports reliable performance for hauling and transport tasks. 3. Smooth Rotation – Equipped with ball bearings for smooth and efficient operation, providing consistent performance during use. 4. Portable Design – Lightweight at only 289g, this pulley is easy to carry and features holes for quick attachment with carabiners, allowing flexible setup options. 5. Wide Application – Suitable for various indoor and outdoor activities including hauling, dragging, tensioning systems, rescue operations, backyard zipline setups, swing seats, mountaineering, Tyrolean traverses, tree climbing, and zipline sports.