General Drill Compatibility: Designed to fit most hand drills, bench drills, and electric drills, excluding impact drills for best performance. Rust Resistance: Constructed with premium materials, these bits resist rust, ensuring they remain in top condition. Corrosion Resistance: The corrosion-resistant properties of our drill bits extend their usability in challenging environments. Dry Drilling: Ideal for dry drilling applications in masonry, concrete, and other softer materials, providing flexibility in usage. Solid Tip Durability: The solid tip ensures durability and efficient drilling through various materials. Transform your drilling experience with our Work Efficiency Improvement Drill Bit Set. Engineered for precision and built to last, these bits are a must-have for any project. Note: 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. Sold by-YJL official store