1200PCS welding staples can be welded to almost all white metal, including aluminum, and aluminum alloy. It can quickly and easily weld cracked and damaged plastic parts, bringing them back together nicely. Features: 1. Making solid, permanent repairs of breaks, cracks, and tears in rigid or flexible thermoplastic parts. 2. Abundant quantity can satisfy your different repair work for bumper cars, front and back baffle plates of cars. 3. The hot staples are designed for bridging cracked areas together were added strength. 4. For using perfectly with a hot stapler to repair / welding most plastic materials like ABS PVC Nylon etc. 5. Made of stainless steel with high hardness, anti-oxidation & anti-corrosion, pre-cut for more easy work. Specifications: Material: Stainless Steel Color: Silver Package Size: 25*12.5*4.5cm / 9.84*4.92*1.77inch Package Weight: 380g / 0.83lb Package List: 1 * 200PCS 0.8mm flat staples 1 * 200PCS 0.8mm wave staples 1 * 200PCS 0.8mm corner staples 1 * 200PCS 0.6mm flat staples 1 * 200PCS 0.6mm wave staples 1 * 200PCS 0.6mm outside corner staples