Motorcycle Mirror Block Off Base Plates For Honda Cbr 600 F4 F4I 900 Rr 929 954 1000Rr Blk Motorcycle These Mirror base plates can also be used as stand-alone block-off plates. Instructions: no instruction Material: High Quality Billet Aluminum Color: the same as pictures show Bolt Hole Diameter: 5mm,Size: 58mm x 26mm,Quantity: 1 Pair (2 pcs),,,,