Features:Brand new with good performance. Made from premium-quality tungsten steel materials, rust-resistant, reliable performance and ensure a longer service time.This staple can be fast and easily welded into plastics.It has a good effect after repairing, which is shock-resistant and twist-resistant.Direct replacement and no more modification required, easy installation and convenient operation.Can be used to fusion, implant nail, hole repairing, tin brazing, hot cutting, hot smoothing etc.?Specifications:Type: 0.8mm big waves, 0.6mm big waves (optional)Quantity: 500Color: SilverMaterial: Tungsten SteelPackage Weight:70g ?Package Size:10 * 10 * 6cm ?Package List:500 * Waves Staple