4pcs Double Male Thread Rubber Shock Absorbers Anti Vibration Silentblock Boat Car Bobbin Shock Absorber Tools M3 M4 M6 M8 M8 M6 Vibration Damper Rubber Vibration Damper Silentblock Car Boat Bobbins, Pack of 4 This rubber vibration isolator mount is mainly used for air , water pump, refrigerator, grinder, engine, gasoline engine and other mechanical equipment as damping elementsfor vibration and noise control, so as to protect the machine working normally and take a good surrounding environment. Simple geometrical design supports dynamic performance and stability under lateral (sideways) forces. Extremely in using. Features: 1. Mainly used for air s, engines, gasoline engines, water pumps. 2. As a damping for welding machine and other equipment for vibration, shock and noise control. 3. Simple geometrical design supports dynamic performance and stability under lateral (sideways) forces. 4. Protect the body's normal work and get good surroundings, damping noise reduction and the effect is obvious. 5. In the radio equipment, instruments, protect machine vibration interference, having a good buffer. Specifications: Material: Rubber + steel zinc coating Color: Black + Silver Thread Diameter: 6mm (M6) / 0.24", 8mm (M8) / 0.31" (Optional) M8 Thread Size: 8 x 23mm / 0.31" x 0.91" M8 Rubber Size: 30 x 20mm / 1.18" x 0.79" M6 Thread Size: 6 x 18mm / 0.24" x 0.71" M6 Rubber Size: 20 x 15mm / 0.79" x 0.59" M8 Package Weight: 166g M6 Package Weight: 64g Application field: 1. Electron components 2. Medical equipment 3. Home appliance 4. Mechanical equipment 5. Office facilities 6. Aviation 7. Construction 8. Automobile 9. Air s 10. engines 11.Gasoline engines 12.Water pumps Package Included: 4 x Rubber Mounts Note: 1. Please allow 1-3cm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.