important note: <br />these are for handlebar mounted mirrors with 10mm 1.5mm pitch thread only <br />these are not suitable for yamaha bikes<br /><br />package included:<br />1 pair motorcycle mirror extender adaptor<br /><br />specification:<br />100% !<br />color: black<br />material: cnc aluminum<br />quantity: one pair<br />thread diameter: m10 / 10mm 1.5mm pitch<br />thread length: 3x 25mm<br />40mm horizontal extension<br />27mm vertical raise<br />ideal for raising &amp;amp; extending mirrors - no more looking at your own shoulder!<br /><br />note:<br />1. please check the size measurement chart carefully before making payment.<br />2. please allow 0.5-1 inch difference due to manual measurement.1 inch=2.54cm<br />3. the color of the actual items may slightly differentthe listing images due to different computer sn， thanks for your understanding.<br />4. instruction is not included.