This product valves grinders suction plate, mainly made of rubber materials. It is sturdy and durable, with good texture. It can be well applied to the repair of your car engine valves. It is a very practical tool. Reasonable design, simple structure, easy to use, it will be your . Features -Color:Black -Material:Rubber -Size:3.80X3.80X2.80cm/1.49X1.49X1.10in -Size:3.20X3.20X2.50cm/1.26X1.26X0.98in -Size:2.70X2.70X2.20cm/1.06X1.06X0.86in -Size:1.90X1.90X1.80cm/0.75X0.75X0.71in -Diameter: 20mm/0.80in, 26mm/1.02in,32mm/1.26in,37mm/1.46in - With different sizes of engine grinders suction plate to meet your various needs. Designed for operating in tough environments. - Can be used for automotive, motorcycle and engine valves grinding repairs. - Made of strong and durable rubber. It has an excellent texture and you can use it with confidence. - Practical design and easy operation, our products will provide you with a better working experience. - It has a wide range of uses. It can be used to car engine valves grinding tools replacement. Package list: 4 x valve lapper suction plates