50/100pcs Titanium Coated High Speed Steel Drill Bit Set, 135° Tip Suitable For DIY Crafts, Woodworking, Carving And Jewelry Making - Size 1/25" To 1/8", Cylindrical Metal, Twist Drill Bits For Metal, Wood, Plastic, Fit For Home Improvement, Simple Tools, Convenient And Practical 10pcs/Set High Precision Cobalt High Speed Steel Stepped Drill Bit Set, With Dual Cutting, Rotating, Cutting And Planing Functions. Suitable For Grinding, Polishing And Carving Steel, Wood, Metal, Stone And Tile. Compatible With Electric Drills, No Assembly Required, Also Suitable For Wooden Doors, Windows And Cabinets. 
