Package includes:<br />1x Bearing trimming bit<br />Having high hardness holding long sharp time， <br />cutting a smooth， long life and other characteristics.<br /><br />Specifications:<br />Materials:45 steel<br />Blade: tungsten steel<br />Coating: Uncoated<br />Length: 77mm<br />Shank Diameter: 6.35mm (1/4 &amp;amp;quot;)<br />Blade length: 25.4mm（1&amp;amp;quot;）<br />Blade diameter: 12.7mm(1/2&amp;amp;quot;)<br />Use: profile cutting， the error is smaller<br />Applicable models: Bakelite milling / engraving hine / engraving and milling hine / trimmer / computer engraving hine / vertical edger<br />Applicable materials: wood processing / chipboard / MDF / artificial stone / PVC / acrylic， etc.