These are some professional car sound deadening rollers. Made of premium and sturdy materials, durable for long time to use. A corrugated shape with a rotating wheel helps with better handling and prevents the drum from slipping, bring you much more convenience. Features -Color:Assorted Color -Material:Wood, iron -Size:17.80X4.70X3.50cm/7.00X1.85X1.38in - Ergonomically designed wood handles makes the car sound deadening rollers very comfortable to hold. - Made of premium and sturdy materials, these sound deadener rollers are durable for long time to use. - Practical sound deadeners also can make tyre and tube patches adhere fully during repairs, very professional. - Compact size, light weight, the car sound deadening rollers are very smoothly and you don't need to apply too much pressure while rolling. - The metal car is designed with enclosed bearings for smooth and rolling action. Package list: 4 x