Features Versatile Compatibility: Compatible with ordinary pistol drills, making it suitable for a wide range of drilling applications. Multi- Functionality: Ideal for drilling ceramic tiles, glass, plastic, wood floors, and walls, providing a versatile solution for various projects. Enhanced Durability: Hardened cutting edge extends the service life of the drill bits, ensuring long-lasting performance and reliability. Superior Material: Made of premium high-speed steel, delivering excellent drilling results with smooth drilling and minimal burrs for a professional finish. Extended Lifespan: Professional structural design ensures a longer service life, making it a and reliable choice for all drilling needs. Features: 1、Suitable for drilling in cast iron, and alloyed material. 2、Long ？ lasting working capacity. 3、Advanced 118 degree split point angle. 4、Short chisel edge for reduced drilling resistance. 5、Bits come in a heavy duty metal storage case. Specification: Features: - Drill Bit Material: HSS - Long - lasting working capacity - Advanced 118 degree split point angle - Short chisel edge for reduced drilling resistance - Bits come in a heavy duty metal storage case - Suitable for drilling in cast iron, and alloyed material. Sizes: 1mm / 1.5mm / 2mm / 2.5mm / m / 3.5mm / 4mm / 4.5mm / 5mm / 5.5mm / 6mm / 6.5mm / 7mm / 7.5mm / 8mm / 8.5mm / 9mm / 9.5mm / 10mm / 10.5mm / 11mm / 11.5mm / 12mm / 12.5 mm / 1m Package Includes: 1 x 25 Piece HSS Twist Drill Bit Set Package List