The Step Drill Bit Set (3Pcs) is a must-have for precision drilling in metal, wood, plastic, and other materials. Made from high-speed steel (HSS) with a titanium coating, these bits ensure durability, heat resistance, and smooth cutting performance. Designed for effortless drilling of multiple hole sizes without changing bits, they are perfect for professionals and DIY enthusiasts. The spiral flute design reduces friction and prevents material buildup, ensuring clean and accurate holes. Compatible with standard drill machines, this set is ideal for electricians, plumbers, and metalworkers looking for efficiency and precision in their drilling tasks.