Uxcell a16032800ux1005 M3 x 8mm Rubber Shock Absorber Vibration Isolator Mounts Standoff (Pack of 4) Material: Metal, Rubber; Male Thread Size: 3 x 8mm/0.12" x 0.3" (D*L) Rubber Size: 8 x 8mm/0.3" x 0.3" (D*L); Overall Height: 24mm/0.9" Color: Black, Silver Tone; Weight: 8g Package Content: 4 x Rubber Vibration Mount Product Name: Rubber Vibration Mount