Doubletake Mirror Base Kit The Doubletake Mirror Base Kit features an oversized 1.125-inch ball mount suitable for use with Doubletake Mirror Arms. This kit includes a selection of bolts, enabling compatibility with nearly any motorcycle model. Sold individually. Features: Aluminum-filled base ball, coated with high-quality nitrile rubber wont degrade or loosen over time Oversized 1.125 ball for added rigidity Lock washer ensures ball won't spin 10Mm Kit Includes: 1.125 Ball Stud, 10mm x 1.25 bolt long and short, 35Mm Reverse Thread Bolt 10mm x 1.25, 55Mm Reverse Thread Bolt 10mm x 1.25, 10mm x 1.5 short bolt (Bmw) and lock washer 8MM Kit Includes: 1.125 Ball Base (will work with 8mm bolts and washer), 8mm x 45mm bolt, 8mm x 60mm bolt, 8mm x 70mm bolt, 8mm x 80mm bolt, 1 inch spacer, 5/8 inch spacer, washer and nut Sold individually