Features:

• The bits set includes five standard step drill bits that can replace 50 individual drill bits, and each step drill bit can drill several bore diameters, compatibility with 1/4, 3/8, and 1/2 in. chuck sizes. You don't have to replace the drill bit constantly with the step drill bits.
• The Titanium coating resists the drill bits from corrosion and rust, reduces friction, making it easy to do multiple drills on surfaces such as plastic, aluminum, copper, stainless steel, and other types of sheet metal.
• The center punch helps you mark the center point that you want to drill, high-impact, spring-loaded strike-through adjusting the cap; it has a deeply knurled surface for nonslip control and prolongs the lifespan of the drill.
• The step drill bits can be used to chamfer, bur, and drill or enlarge holes. The step drill bits can work with aluminum alloy, plastic material, and wood. The protective aluminum case makes the drills not easy to dull.

Package Includes:

5 x Step Drill Bits

1 x Automatic Center Punch

1 x Aluminum Case