10MM 8MM Motorcycle Rearview Mirrors Extension Riser Extender Adapter compatible with Universal Moto Parts A 100% new Perfect compatible with Raising & Extending Mirrors - No More Looking At Your Own Shoulder! Installation: The riser with 10mm/8mm thread side is connected to your motorcycle mirror; the M10/M8 bolt is fixed to the motorcycle. Important Note: These Are Not Suitable compatible with Bikes. Item Type: Side Mirrors Extension & Accessories Weight: 0.1kg Screw Position: 10mm Fixed Position: 8-10mm Universal Motobike Make: Universal Tread: Right Left Hand Tread Material:Aluminum alloy colour:Black Package Contents: 1 pair * Lengthen Mirror Code 1 set * screw and nut accessories 8mm 10mm Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.