Feature 1Plastic handle is lightweight, wearable and has good hand feel. 2Rubber grinding head with a variety of specifications meets different uses. 3The grinder sticks are especially designed for engine cylinder dust grinding. 4Superfine workmanship, excellent grinding performance, durable for long-term use. 5Perfectly suitable for most of the small and large vehicles.SpecificationFeatures: Plastic handle is lightweight, wearable and has good hand feel. Rubber grinding head with a variety of specifications meets different uses. The grinder sticks are especially designed for engine cylinder dust grinding. Superfine workmanship, excellent grinding performance, durable for long-term use. Perfectly suitable for most of the small and large vehicles. Specifications: Condition: Brand New Material: Plastic + natural rubber Color: Blue Optional Size: Large, Small Size Large(mm/in) Small(mm/in) Full Length 225/8.9 2058.1 Large Head Diameter 35/1.4 18/0.7 Small Head Diameter 25/1 13/0.5 Package List: 2 * Valve Grinder Stick