Condition:100% Brand New AFTERMARKET PARTS,Material:Aluminum,CNC Machined from High Quality Aluminum,Anodized Surface Finish Perfect fit,no modification is needed, no install instructions included Thread Diameter:M10/10mm(1.25mm pitch),Most motorcycles have both mirrors that are Standard, Right-Hand Threaded (RH, clockwise). Then there are a few motorcycles that have one mirror that is Reversed, Left-Hand Threaded (LH, Counter-clockwise) and one mirror that is Standard, Right-Hand Threaded (RH, clockwise). Please verify your thread pattern and bolt size before purchasing or installing this product .aplus-tech-spec-hide-loading { visibility: visible !important; }