Features: Separate storage box, convenient for each use, without confusion, can choose welding nails according to their own needs. Convenient storage tool box, long-term recycling, keep clean and tidy. Made of high quality stainless steel, pre-cut for more easy work. 8 Types available, and different package, please choose. It can be used for every kind of Plastic Repair/Welding, i.e. Nylon, PVC, ABS, etc. High Quality Hot Staplers for Plastic Welding, Car Bumper Repair It is made by Stainless Steel 304, Pre-Cut. Specification: Style: 100x 0.6mm flat staples, 100x 0.8mm flat staples, 100x 0.8mm B-01 outside corner staples, 100x 0.8mm B-02 outside corner staples, 100x 0.6mm outside corner staples, 100x 0.8mm wave staples, 100x 0.8mm corner staples, 100x 0.6mm wave staples. Material:Stainless steel Staple Diameter: 0.6mm, 0.8mm Staple Width: 15-16.5mm Wave Height: 15mm Package List: 100X staples