Drill Stop Set 3mm 4mm 5mm 6mm 8mm 10mm 12mm I.D. with Hex Wrench

Feature: Available in multiple pack size . For drill bits dowels cavity consistent . These s fit around drill bits for consistent drilling depth. Ideal for dowels and cavity fixing. Specifications: Product Name: Drill Bit Stop Color: Black Weight: 48g Material: Carbon Steel Thickness: 8mm/0.3 inch Internal Diameter: 3mm/0.12 inch 4mm/0.16 inch 5mm/0.2 inch 6mm/0.24 inch 8mm/0.31 inch 10mm/0.39 inch 12mm/0.47 inch Package Contents: 7 x Drill Bit Stop s 1 x Hex Key Tips: It is recommended to use drill stop s with a lubricant to prevent burning of the material surface. Here is how: 1) Slide correct 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 use. Great for machinery shaft instruments or on woodworking tools as a bit limit ring. No More Wrapping Tape Around Your Drill Bits!