Micro Drill Bits 10.1-11mm Straight Shank Twist Drill Bit Stainless Steel Electrical Drill Tool 1Pcs Model Number : 10.1/10.2/10.3/10.4/10.5/10.6/10.7/10.8/10.9/11 mm DIY Supplies : Metalworking Type : Twist Drill Bit Use : Metal Drilling