Ensure long-term durability and wear resistance with the titanium-coated hexagonal handle, making it perfect for various drilling applications. Cover all your drilling needs with sizes ranging from 3-12/4-12/4-12 inches, suitable for small woodwork or larger projects, offering versatility in one compact kit. Experience effortless and accurate drilling with the straight groove design that firmly grips materials, ensuring stability and precision, especially beneficial for woodworking tasks. From plastic to aluminum and iron sheets, this drill bit set is versatile for a wide range of materials, excluding harder metals like stainless steel. Ideal for diverse DIY projects and professional use. Emulate core drills' efficiency with this set designed to cut through hard materials like wood, metal, and masonry. A must-have for woodworking enthusiasts seeking reliable performance across various projects. Item Name: Drill Bit Material: Bearing Steel Features: Rustproof, Corrosion Resistant, Long Lasting Size Details: Length: 7.5cm/2.95" (Approx.) Length: 6.7cm/2.64" (Approx.) Length: 7.2cm/2.83" (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: 1 x 3-12mm Drill Bit 1 x 4-12mm Drill Bit 1 x 4-20mm Drill Bit 1 x Cloth Bag