Bamyli 6 Pcs Step Drill Bits Set High Speed Steel Titanium Coated Cobalt Cone Step Drill Bit with Automatic Center Punch,Step Bits for Plastic Wood Metal Aluminum Iron DIY
【Multiple Sizes】5-piece step cutter drill bit includes five different sizes (4-32mm, 5-35mm, 4-20mm, 3-13mm, 4-12mm), suitable for a variety of drilling nee...