Step drills quickly and smoothly drill holes in steel, aluminum, wood, plastic and more. This step drill has a sharp, durable that quickly delivers precise hole locations, perfect for metalworking and DIY projects. High speed steel 4241 nitrided coating, can cut harder and higher cutting speed. Guaranteed faster and smoother cuts for easy escape. Take your DIY projects to level. The drill bit is small in size, easy to store and carry, and you can take it with you wherever you go. Color: Black Material: High speed steel 4241 Package Contents: 1 x step drill bit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.