5 PCS Cobalt Coated Step Drill Bit Kit with Aluminum Case - Multiple Hole Cut 50 Sizes Drill ToolFeatures: Color: Titanium Package Dimensions (LXWXH): 6. 9 x 4. 6 x 1. 7 inches Number of Pieces: 05 Item Weight: 1. 05 Pounds Material: Metal About this item It has cobalt high speed steel along with the titanium coating ensures extreme durability which will stay new and shiny for years to come. It can also ensure outstanding sharpness, reduce friction and run cooler. The drill bits set includes 5 common sizes for versatility; it can fit the majority