The Tork Craft Step Drill Hss 5-35Mm X 2-3Mm Is A Versatile And Durable Drill Bit Designed For Drilling Clean, Precise Holes In A Variety Of Materials, Including Metal, Plastic, And Wood. With A Size Range Of 5Mm To 35Mm And A Step Design, It Allows You To Drill Multiple Hole Sizes With A Single Tool, Offering Convenience And Efficiency. The High-Speed Steel (Hss) Construction Ensures Durability And Long-Lasting Performance, Even Under Heavy Use. The 2-3Mm Cutting Increments Provide Smooth, Gradual Enlargements Of Holes, Making It Perfect For Tasks Like Enlarging Or Creating Custom-Sized Holes.