<p>Crown Nut/Bolt Mallet Head Attachment Kit<br /><br />NEW Alloy Crown Nut has 10mm Wrench Slot for <a target="_blank" href="https://www.benscycle.com/p-3034-park-tool-cbw-1-brake-8-10mm-open-end-wrench.aspx?">Park CBW-1 Wrench (Sold Separately)<br /></a></p><p><a target="_blank" href="https://www.benscycle.com/p-3034-park-tool-cbw-1-brake-8-10mm-open-end-wrench.aspx?"><br /></a></p><p>Features:</p><li>Stainless Steel OR NEW 7075 Alloy Construction for Years of Use</li><li>Install / Uninstall Using a Standard Pliers</li><li>Crown Nut Threading - 3/8"-16</li><li>Flat Head Cap Screw Threading - 1/4"-20 x 1" - Available in Stainless and now Titanium</li><li>Requires External/Internal Shaft Threading*</li><li>Will Fasten to any UHMW or HDPE Head Available</li><li><strong>Stainless/Stainless - 11 grams (crown nut/hex bolt) </strong></li><strong></strong><li><strong>7075 Alloy/Stainless - 7.5 grams (crown nut/hex bolt)</strong></li><strong></strong><li><strong>7075 Alloy/Titanium - 4.5 grams (crown nut/phillips bolt)</strong><p>Includes:</p></li><li>(1) Crown Nut</li><li>(1) Flat Head Cap Screw<p>*NOTE: If you decide to thread the exterior of your own shaft - Recommended maximum outer shaft diameter at tip should not to be more than 9.5mm / 0.3737"</p><p></p><p></p><p></p></li>