Description:The grinding suction cup is preferably made of rubber, wear-resistant and durable.Excellent plastic handle is comfortable to grip.High-quality plastic and rubber material is durable to use.The length of large handle is 22.5cm, the suction cup diameter is 1.8cm and 3.5cm. The length of small handle is 20.5cm, the suction cup diameter is 1.3cm and 2.3cm.They are used for grinding engine cylinder valve and perfectly suitable for small and large vehicles.Item Name: Valve Lapping StickMaterial: Plastic,RubberSize Details: Large Length: 22.5cm/8.9", Suction Cup Diameter: 1.8cm/0.7", 3.5cm/1.4" (Approx.) Small Length: 20.5cm/8.1", Suction Cup Diameter: 1.3cm/0.5", 2.3cm/0.9" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:2 x Plastic Handle 4 x Rubber Grinding Suction Cup