6pcs HSS Steel Step Drill Bit Set - 4-12/20/32mm Metal Hole Cutter Wood Cone Core Drilling Hole Saw Tool + 3, 6, 8 Saw Drill

Highlights

• Most commonly used drill size, light and small does not take up space, Can be stored in your toolbox and used anytime, anywhere, convenient and fast
• A combination set of 6 specifications, 3-step drill bits, and 3 serrated drill bits, meet your diverse needs and improve work efficiency.
• Made of high-quality bearing steel, titanium-plated surface, anti-oxidation, no rust, wear-resistant, long service life.
• Titanium coating ensures easily cut through steel sheets, aluminum sheets, copper & plastic & wood board, and many other types of sheet metal Including tile, concrete, tile, brick, wood, plastic, glass etc