Motorcycle Mirror Base For Yamaha Fzr600 Yzf600R R6 Yzfr6 Yzf-R6 Yzfr6S R6S R1 Yzfr1 Black 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: 6mm,Size: 59mm x 21mm,Quantity: 1 Pair (2 pcs),,,,