HIGH QUALIT: Our sound deadening noise roller handle is made of wood, the rolling wheel is made of metal.EFFICIENT WORK: Our Auto Noise Sound Deadeners are made of metal with a corrugated profile of the rotating wheel, which helps to better operate and prevent the drum from slipping. Metal rotating wheels work more efficiently than plastic, wood and polyurethane rollers.ABOUT APPLICATION: The Sound Deadening Roller allows the sound insulation pad to be mounted more effectively on the surface of the car, and it also allows the tire and tube patch to adhere completely during maintenance. And it's suitable for soundproofing mats, audio sound insulation and damping.EASY To CARRY: Our Sound Deadening Roller installation tools are compact and easy to carry, which can solve problems well. This is the best choice for those who like their car and don't want to waste time Colour:blackMaterial:Wood + metalPackage Contents:3*Car Tire Repair Tool(40mm/20mm/6mm)Only the above package content, other products are not included.Note: Light 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.