Feature 1The double groove design provides faster and smoother cutting, and the three flat handles make sure a firm grip. 2Suitable for perforation of sheet metal, iron plate, aluminum plate, brass, wood, plastic, etc. 3Made of high quality material of highspeed steel, which makes it have long service life. 4With compact shape, take up no space and you can put it anywhere. 5Package including 3pcs of drill bit, can meet your different needs according different situation.Condition: 100% Brand NewItem Type: StepDrill BitColor: As Pictures ShownMaterial: High-Speed SteelPurpose: Multi-function drillShank Diameter: Approx. 6mm/0.24in, 8mm/0.31in, 10mm/0.39in .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List3 x StepDrill Bit