Features: 1. Surface Fabric: The surface layer of the bag is made of nylon fabric, which is strong and wear resistant. The ultra-fine fiber connecting pieces are finely arranged, providing tear resistance and high strength. 2. Lining Fabric: The filling is made of steel balls, which are harmless to the human body. The aerodynamic design helps increase the projection range. 3. Stainless Steel Ring: The throw weight is equipped with a round stainless steel ring, which allows for quick attachment of the throwing line. 4. Portable: Compact in size and lightweight, the throw bag is easy to carry and store, convenient to use, and ideal for hoisting an arborist rope or line into a tree. 5. Widely Used: Suitable for outdoor activities such as tree climbing, rock climbing, and cave exploration. Specification: Item Type: Throw Weight Bag Material: Stainless Steel + Nylon Length: Approx. 115mm / 4.5in Width: Approx. 55mm / 2.2in Product Weight: Approx. 212-221g / 7.5-7.8oz Package List: 1 x Throw Weight Bag