Steel Carving Drills, choice of: 1/16″ (1.6 mm), 3/32″ (2.35 mm) or 1/8″ shank | Foredom Electric Company
SPKLINE 10 Pcs High Speed Steel 1/8 Inch Cobalt Drill Bit Set 3.2mm (1/8") Jobber Length Twist M35 Metal Drill Bit for Stainless Steel and Hard Metal Drill Bit Set - Amazon.com