Options: 1. Small and moveable 2. Wonderfulmaterials and nice workmanship 3. It'sextensively used for variedfashions, typically used for equipment and bike fairing headlight bracket shockproof rubber cushion cushion screw sleeve Specs: Materials: Rubber + Alloy Dimension: Diameter: 18.5mm/0.73" Aperture: 8.2mm/0.32" Wholesize: 10.7mm/0.42" Notes: 1. As a result oftotally different monitor and lightweightimpact, the precisecoloration of the merchandisemay bebarelytotally different from the colourconfirmed on the photographs. Thanks! 2. Please permit 1-3mm measuring deviation on account ofhandbook measurement. Packages: 10 X Rubber Washer Grommets