ITEM NAME:3/8 Inch (9.5Mm) Replacement Torsion Step Drill With Depth Stop Ring For Ma K9V3 3/8 Inch (9.5Mm) Replacement Torsion Step Drill With Depth Stop Ring For Ma K9V3 1/4 inch Hex-Shank drill bit Works with standard chucks of 9.5mm(3/8 inch)dia. Small tip includes clearance hole for screw shank Large diameter creates flat-bottomed hole Recommended for use with corded high-rpm drills Perfect for use with pocket hole guides 3/8 inch(9.5mm) diameter bits step down to about 3/32 inch Come with wrench and limit ring Fit 1/4 inch(6.3mm) adapter Diameter: 9.5mm(3/8 inch) Quantity: 1 set (as picture shown) Colour:gold Material:steel Size:160*9.5mm Package Contents: 1* drill bit 1* stop ring 1* wrench.Small tip includes clearance hole for screw shank.