The tool is indispensable for repairing most modern products which are made of plastics. This tool set is suitable for welding filler materials, repairing holes, and eliminating gaps, repairing horizontal, vertical, long, and short cracks. The welding machine kit has 4 kinds of stapling nails, total 400pcs, to meet your different needs. The V-shaped stapling nail can solve the inner corner problem, the M-shaped stapling nail can solve the outer corner problem, and the other two wavy stapling nails can solve the flat surface problems. Wide applications: Plastics welding, filler welding, holes repairing, and gaps eliminating. With various repairing nails, it is suitable for repairing horizontal, vertical, long, and short cracks. Features: This plastics welding machine is lightweight and compact, can be heated up quickly, which will help you to improve your work efficiency and reduce your working time. Two indicator lights show the operating times and voltage in real time at a glance. Spring switch design, convenient operation, the switch button is enlarged design to prevents disoperation. The ergonomically designed handle, which can handle details and repairing more accurately, your hands will feel comfortable to grip, and you won't feel tired after a long time of use. Built-in large-capacity lithium battery, over temperature, charging and discharging, overvoltage, over current are protected and with long endurance. The welding machine is designed with front LED light to help precise welding in a dark environment. The welding machine kit has 4 kinds of stapling nails to meet your different needs, different shapes are designed with different usage, which are convenient to choose from. The V-shaped stapling nail can solve the inner corner problem, the M-shaped stapling nail can solve the outer corner problem, and the other two wavy stapling nails can solve the flat surface problem. Wide applications: Plastics welding, filler materials welding, holes repairing, and gaps eliminating. With various repairing nails, it is suitable for repairing horizontal, vertical, long, and short cracks. After repairing, it has strong seismic and distortion resistance. Utility Tool: Perfect for repairing bumpers, dashboards, lamp holders, plastics rings, radiators, spoilers, handles, headlights, plastics wings, car and motorcycle plastics devices, etc. Specifications: Name: Plastics Welding Machine Material: Plastics Battery: host, 1pcs battery, 2pcs batteries (optional) Host: no battery 1pcs battery: 1 * 21V, 1200mAh battery (included) 2pcs batteries: 2 * 21V, 1200mAh battery (included) Item size: Host: 200 * 79 * 195mm / 7.87 * 3.11 * 7.68in Installed with battery: 200 * 80 * 230mm / 7.87 * 3.15 * 9.06in Package size: 290 * 236 * 96mm / 11.42 * 9.29 * 3.78in Package weight: Host: 962g / 2.12lb 1pcs battery: 1230g / 2.71lb 2pcs batteries: 1500g / 3.3lb Packing List (host): 1 * Plastics Welding Machine 400 * Stapling Nails OR Packing List (1pcs battery): 1 * Plastics Welding Machine 1 * Battery 1 * Battery Adapter 400 * Stapling Nails OR Packing List (2pcs batteries): 1 * Plastics Welding Machine 2 * Battery 1 * Battery Adapter 400 * Stapling Nails