Steel wheels, strong durable. Deep-cut, well-defined -like teeth provide greater penetration pressure are suitable f scraping wax, oil, etc. coverings from rubber surfaces in contour lines. The hle is comftable easy to grip. A tire roller can help remove from under the tire patch, ensuring adhesion tightness.Made of high-quality metal material, high strength durable. Comes with a stainless steel hex bar f most tire repair jobs. It can be used with the tire repair roller f quick grinding cleaning befe tire repair, which is easy to use simple to operate.Made of high-quality rubber material, good sealing perfmance, not easy to wear tear, strong reliable, provide full protection f your tires.Tire patches have thickened layers of rubber that require the use of glue during the patching process. (Please note that this set does not contain glue.)Material: MetalandPlasticcolour: BlackandSilverPackage Contents:1 x pinch roller1 x grinding head 42mm30 x film (10 pieces each)Only the above package content, other products are not included.Note: Light reflection different displays may cause the col of the item in the picture a little different from the real thing. The measurement allowed err is 1-3cm.