The Vevor annular cutter set is designed for routine metal drilling, replacement, and maintenance work in workshops and on jobsites. This 5-piece kit includes three HSS annular cutters, two pilot pins, and storage cases for organized transport and use. Its M2AL high-speed steel construction offers wear resistance and dependable performance under high temperatures. The annular cutting design and enlarged chip slots help support smoother drilling with reduced chip buildup. Compatible with most magnetic drills using 3/4" Weldon clamps, it works well on steel, stainless steel, aluminum, cast iron, and copper.