【Sharp and Durable】The hole saw is Bi-metal construction, which has special flexible steel saw body and high speed steel cutting teeth, with longer service life, and more sharp
【Wide Application】The hole saw can be widely used for cutting thin metals, wood, plater board, plywood, duct, drywall, soft plaster, corn hole boards and plastic, good enough for the average DIYer and professional project
【High Work Efficiency】The hole saw features sharp and sturdy cutting edges, with the center drill made of M42 steel providing higher hardness and heat resistance; This ensures a sharp cutting edge, improving work efficiency and precision
【Easy to Use】Pass the pilot drill bit of arbor through the center circular hole on the back of the hole saw, and rotate the arbor until it is tightened
【Package Content】Including 1pcs x 3 inch hole saw, 1pcs x arbor with drill bit and spring. The shank of arbor is for 3/8' drill chuck and bigger