Set Of 2 Drill Stop Bit Collars Limit Ring with 2Pcs Hexagon Spanner

Quickly and easily help you drill holes to exact depths and repeated drilling by positively locking anywhere along the bit. Great for machinery shaft instruments or on woodworking as a bit limit ring. Fits on bits and sets easily to the exact depth needed while preventing from over/under drilling so you are left instantly with Depth-Precise equal length holes. Steps for usage : (1) size drill stop to desired depth on the drill bit. (2) Align locking screw with land (body). (3) Tighten locking screw with included wrench. (4) Remove wrench before . Great for machinery shaft instruments or on woodworking as a bit limit ring. Size: 1/8-Inch 3/16-Inch 1/4-Inch 5/16-Inch 3/8-Inch 7/16-Inch 1/2-Inch and an Hex Wrench. colour: black Material: carbon steel Package Contents: 16 x Drill stop collar 2 x Hex Wrench Tips: No More Wrapping Tape Around Your Drill Bits! Only the above package content other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.