Describe 1.100% brand new and high quality 2. Environmentally friendly and durable 3. Easy to install, safe and durable; long service life 4. Shockproof, each piece is equipped with a sponge pad 5. Wide range of uses, widely used in bumpers, shoe linings, air intake covers, etc. 6 Wide range of applications, can be used for motorcycles, buses, trains, airplanes, trucks, cars, caravans, etc. Specification material: plastic Dimensions: Approximately 18.5mm in total diameter, 13mm in head diameter, 20.6mm in total length, 14.5mm in threaded rod length, 9.5mm in thread thickness Color: green Quantity: 20/30/50/100