ITEM NAME:4PCS Motorcycle Rearview Mirror Holes Screws Plugs M10 * 1.25 Aluminum Alloy.(Applicable: M10 1.25 mirror screws, normal (regular) and reverse thread boltsï ¼Ë† left hand and right hand ). 4 Mirrors Hole Banking Plugs. Function: Perfectly protecting your mirror hole thread from rust caused by water, dust and mud.