The Oxford Mirror Blanking Plug help to cover the hole that has been left once you change from handlebar mounted mirrors to a bar end mirror.CNC aluminium with knurled edge2 clockwise and 1 anti-clockwise plugs includedM8 or M10 bolt sizes availableThread pitch: 1.25mmSimply remove mirrors and screw in plugsThe Oxford Mirror Blanking Plugs are made from a CNC aluminium with a knurled edge. This kit comes with 2 clockwise (right hand) and 1 anti-clockwise (left hand) plugs. They are available in M8 or M10 bolt sizes with a thread pitch of 1.25mm. You simply remove the mirrors and screw in these blanking plugs to help fill the gap.