Description: By adopting the design of 118-degree X-shaped opening, the drill bit can be positioned accurately, thus reducing the bit slippage. Spiral hexagonal handle design, clamping and fastening, not easy to slip, improve work efficiency. A drill bit is suitable for hand electric drill, impact drill, bench drill, etc. It is sharp, wear-resistant and widely used, and can be used for reaming, chamfering, drilling and deburring. It is constructed of high speed steel material. This product has many sizes. It is suitable for carpentry, industry, construction, workshop, etc. Item Name: Drill Bits Material: High Speed Steel Features: Different Sizes, Sharp, High Hardness, Sturdy Size Details: Pagoda Drill 4-12 5-step Size: Total Length: 6.6cm/2.6", Edge Length: 4.2cm/1.65", Shank Length: 0.7cm/0.28" (Approx.) 9-step Size: Total Length: 7.45cm/2.93", Edge Length: 5cm/1.97", Shank Length: 0.7cm/0.28" (Approx.) Pagoda Drill 4-20 9-step Size: Total Length: 7.5cm/2.95", Edge Length: 5cm/1.97", Shank Length: 0.7cm/0.28" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: Color A: 3 x Drill Bits or Color B: 3 x Drill Bits 1 x Box