For 1999-2012 Suzuki Hayabusa Gsx1300R Gsx-R 1300 Black Motorbike Mirror Block Off Base Plates Instructions: no instruction These Mirror base plates can also be used as stand-alone block-off plates. Material: High Quality Billet Aluminum Color: the same as pictures show Bolt Hole Diameter: 6mm,Size: 59mm x 21mm,Quantity: 1 Pair (2 pcs)