These Drill Bit Set include6 individual drill bits.Its economical and easy to store.Titanium coatingis verysuitable forusing to cut holes in a variety of materialsincluding steel, brass, wood, plastic, etc. New technology in drill Material; bearing steel combined with a titanium coating.More capable and durable.Step design let makes drillingcutting precise & efficientConvenience, and Widely used.New Design and Smoother cutting, Make yourindustrial buildings more perfect. MAIN FEATURES: âşStrong Practical A combination set of 6 specifications, 3-step drill bits, and 3 serrated drill bits,meet your diverse needsandimprove work efficiency. âşPrecise & Efficient Combining the multi-grid drilling of the pagoda bit and the sharp edge of the serrated bit tofacilitate the removal of cutting wastewhen drilling, preventing iron chips or sawdust from scattering, makes drillingcutting faster, more precise,smoother, and more efficient. âşDurable In Use Made of high-quality bearing steel, titanium-plated surface,anti-oxidation, no rust,wear-resistant, long service life. âşEasy To Carry The most commonly used drill size,light and small do not take up space, Can bestored in your toolbox and used anytime,anywhere,convenient and fast. âşWide Application Titanium coating ensureseasily cut through steel sheets, aluminum sheets,copper & plastic & wood board, andmany other types of sheet metal ease, Including tile, concrete, tile, brick, wood, plastic, glass, masonry, etc. How To Use:˘Connect the drill bit to the power drill˘ Use other tools to measure the diameter of the required hole size.˘ Then select the corresponding size of the step drill˘ Install the step drill correctly on the electric drill, and finally aim at the position of the target hole, which is perpendicular to the workpiece, and then start drilling to the required size. Specifications: Material:Bearing Steel Weight:Boxed: 400gBagged: 260g Boxed Size:175*110*35mm Size: Step drill4-124-204-32 Serrated drill3mm,6mm,8mm Package Contains: 1 * Titanium plating Pagoda Drill Bit Set(6pcs) Warm Tip:Dear buyer, due to the lighting effect, monitors brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you!