Drill Master 7 Piece Drill Stop Set to Fit 1/7 3/16 1/4 5/16 3/8 7/16 1/2 Inch Bits<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Drill holes to the exact depth you need with this 7 piece drill stop set from Drill Master; Comes with Free How to Live Stress Free Ebook</li><li>Set fits 1/8 inch， 3/16 inch， ¼ inch， 5/16 inch， 3/8 inch， 7/16 inch， and ½ inch bits</li><li>Fastening screws included</li><li>Locks onto the bit for a secure fit and easy use</li><li>Quickly and reliably drill holes to the exact depths you need</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41ozdDr87sL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51rm2mYXJnL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41NCanFFKEL.jpg" noproxy>