Description Drill bit for use with pocket hole joinery Small tip includes clearance hole for screw shank Large diameter creates flat-bottomed hole Recommended for use with corded high-rpm drills Shank size: 9mm/ 0.35" Head size: 4.3mm/ 0.17" Length: 178mm/ 7" Package Included 1 x Twist Step Drill Bit 9mm 1 x Stop Collar 1 x Wrench