Fangrui Product Details This Set Of Guided Cutting Bits Is Made Of High-quality M2 High-speed Steel, Durable, Not Easy To Break Or Deform Under High-intensity Work, Wear-resistant, Rust-resistant And Corrosion-resistant, Suitable For This Kind Of Drywall Cutting Tool, Which Will Make Your Woodworking Tasks Efficiently Completed. This Cutting Drill Has A Diameter Of About 1/8 Inch And A Cutting Depth Of About 3/4 Feet. It Cuts Sharply And Has A Significant Cutting Effect. The Cutting Size Ensures That It Matches Your Tool, Creating The Ultimate Cutting Experience For You. The Guiding Point Of The Side Cutting Blade Can Be Tracked To Ensure That It Will Not Cause Damage To The Socket Box, While Achieving Efficient, Accurate, And Stable Milling Operations, Taking Your Woodworking Operations To The Next Level. These Cutting Drills Are Not Only Designed For Cutting Drywalls, But Also Have A Wide Range Of Applications. They Can Be Used To Cut Various Materials, Such As Drywalls For Electrical Boxes, Ventilation Openings, And Other Wa