Description:9.5mm 3\/8 Inch Twist Step Drill Bit with Depth Stop Collar and Hex Wrench for Kreg Pocket Hole Jig Kit<br> Specifications:   Material: steel   Size: As the picture shows <br>  <br>  <br> Features:<br> &amp;middot;Good abrasion resistance， long service life.<br> &amp;middot;Chip fast， giving a wrench.<br> &amp;middot;Sharp knife head， smooth without burr.<br>  <br> How to use:<br> 1. Adjust the height of the drill bit.<br> 2.Clip board which you want to drill.<br> 3. Put the drill into the hole in the wood.<br> 4. Drill up 5 mm (remember not against the wood to drill).<br> 5. Start the drill reaches a certain speed above 500 rpm， 1500 rpm is the best.<br> 6. advanced to slow down， such as front-end fine drill in half or full， then can speed up.<br>  <br> Package Included:<br> 1xTwist step drill bits<br> 1xwrench<br> 1x9.5mm(3\/8&amp;quot;)stop collar  More Details: