- Yeepeo 100mm Hole Saw, made of M42 bi-metal high-speed steel for maximum strength and durability. - Includes hex adapter and HSS pilot drill bit, making installation and precise centering during cutting easier. - Oblong side holes improve chip removal, optimizing work speed and cleanliness. - Sharp cutting edge ensures clean and smooth drilling in metal, wood, drywall, copper, PVC, and other materials. - The integrated spring automatically ejects the disc after cutting, speeding up the process and preventing jams. - Compatible with various types of drills: bench, magnetic, pistol, and impact. - Ideal for DIY projects, electrical installations, and professional carpentry.