Specifications: The beads drill tool made of alloy steel meterial which is durable to use, anti-corrosion, waterproof. This tool can widely used for different kinds of wood such as ebony, rosewood, deft knots, mahogany, sandalwood blood, and so on. Because of its sharp blade, make it cut easily and quickly. It also can be a unique gift for your friends and your gifts will be more appreciated who intrested in handmade. Item Name: Drill Bits Set Material: Steel Features: Unique, Waterproof, Portable, Durable. Size: A Drill Bits Size: 6mm/0.24", 8mm/0.31", 10mm/0.39", 12mm/0.47" B Drill Bits Size: 14mm/0.55", 15mm/0.59", 16mm/0.63", 18mm/0.71", 20mm/0.79", 22mm/0.87", 25mm/0.98" C Drill Bits Size: 6mm/0.24", 8mm/0.31", 10mm/0.39", 12mm/0.47", 14mm/0.55", 15mm/0.59", 16mm/0.63", 18mm/0.71", 20mm/0.79", 22mm/0.87", 25mm/0.98" Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Shank 1 x Wrench 4 x Blades 7 x Drill Bits or 1 x Shank 1 x Wrench 7 x Blades 7 x Drill Bits or 1 x Shank 1 x Wrench 11 x Blades 11 x Drill Bits