6Pcs Step Drill Bits Saw Drill Set HSS Titanium Milling Cutter for Woodworking Metal Core Hole Opener 4-12 4-20 4-32mm 3 6 8mm

Product Name: Hexagonal Handle Straight Groove Plated Step Drill Product size: 4-32mm, 4-20MM, 4-12MM Surface treatment: Qin plating Packaging: 6pcs