[ENVIRONMENT FRIENDLY]Not harm to the paint,Paintless Dent Removal is the highly specialized method of eliminating dents in cars without having to repaint the surface of the vehicle. [HIGH QUALITY]Made from high carbon stainless steel, durable enough to push up the mental without bending or breaking. Corrosion resistance steel of our dent puller rods won't rust and keep bright finish all the time. [WIDELY USE]Our dent repair Tool is suitable for the sheet metal processing of automobile, refrigerator, Motorcycle Body and washing machine Body etc. Different Shape tips for all types of dent repairs. How to use the tools(Ex:position of car door) 1.confirm the range of the dent 2.insert air pump bag into the space of the car door,Squeeze the ball,air bag inflation,the space is getting bigger 3.insert the red wedge into the space ,pull the air bag out. 4select a suitable hook rod and insert it into the the space 5.aim the back side of the dent,extrude the dent 6.if the the surface is convex,select a suitable knock down pen or nylon pen and hammer,knock the convex surface slightly and frequently,util the surface is flat 7.if the dent and convex surface are still existence,repeat the 6 steps above,util you are satisfied with it Material:Metal + rubber colour:Black Package Contents: 6 x Car Dent Hook Rods(length: 57cm, 51cm, 40cm, 33.5cm, 29cm, 26cm) 1 x Knock Down Pen with 8pcs Pen Heads 1 x Hammer 1 x Air Pump Bag 1 x Red Wedge 5 x Nylon Pen Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.