If you want to repair tires or remove the cores, then you can take remover tool kit. Made of premium copper and stainless steel, they are easy to operate and use, durable for long time use. It is suitable for both and personal use. They are good repairing accessories for you. Features - Color: Assorted Color. - Material: Copper, stainless steel. - Size: 9.80X1.80X1.80cm/ 3.85X0.71X0.71inch. - Ergonomically designed handle, easy to operate and use. Has no burrs, will not hurt your hands. - With nice stainless steel and copper materials, workmanship and detailed producing process, these core remover set is durable. - Can be used to easily remove old valves cores and install new valves cores, make them have a new look. - Widely applied in car, motorcycles, bicycles, electric vehicles, air-conditioning units, etc. - The core remover tool kit works on most tires, which bring much convenience to you. Package list: 1 x four in one wrench(metal) 1 x wrench(metal) 1 x plastic valves core wrench 8 x valves caps(metal) 4 x plastic valves caps 30 x valves cores