Material: Plastics+Stainless steel (not full metal) Features: Made of fine quality material, long-lasting to use. Can help you repair the dents on your car. It will not harm the painted surfaces. Suitable for the sheet metal processing of automobile, refrigerator, motorcycle, washing machine, etc. Kit 1 Package included: 20x Blue Tabs 1x Gold Puller 2x Shovel 1x Towel 1x The Instruction Kit 2Package included: 1x Hammer 10x Knocking penKit 3 Package included: 7 x Pulling bridge set Kit 4-58Pcs Package included: 12x Red Tabs 28x Blue Tabs 1x Gold Puller 2x Shovel 1x Glue Gun(US/EU Plug,20W) 5x White Glue Sticker(7*270mm) 5x Yellow Glue Sticks (7*270mm) 1x Towel 1x Alcohol Bottle(Alcohol not included) 1x Tools bag 1x The InstructionKit 5-76Pcs Package included: 12x Red Tabs 28x Blue Tabs 1x Gold Puller 2x Shovel 1x Glue Gun(US/EU Plug,20W) 5x White Glue Sticker(7*270mm) 5x Yellow Glue Sticks (7*270mm) 1x Towel 1x Alcohol Bottle(Alcohol not included) 1x Hammer 10x Knocking pen 1x Tools bag 1x The Instruction 7 x Pulling bridge set How to use the tools ? 1. Clean damage surface with a clean wet cloth; 2. Put the glue stick to gun and connect the power source and preheat for 5-10 minutes; 3. Pull the trigger and apply the suitable drawing gasket with extruded glue (The 4 holes of gasket should be applied with hot melt glue);)(Note: The larger the drawing gasket is, the larger the drawing force is); 4. Immediately place the drawing gasket with hot melt glue in the center of the dent and hold until sticks (Let the glue cool for about 5-8 minutes. The cooling time should be less than 10 minutes and should be shorter slightly in winter); 5. Align the T-shaped repairer and press the drawing gasket with hot melt glue, pull the sliding rod backwards to pull up the dent; 6. When dent was removal, clear the glue by alcohol with plastic shovel; 7. If dent still exists, knock it slightly with a flattening hammer with Tapdown head 8.Repeat the operation steps above until the dents are repaired.