Annular Cutter Set, Cut Through Your Next Project with Ease:Our mag drill bits are made of M2AL steel material for longer durability. The portable case features foam padding for added protection during transport. The innovative geometric blade design enables layered circular cutting, saving energy and improving wear resistance and resistance to tool breakage. Combined with the clever design of centre pins, they secure the workpiece and enable precise positioning. Try it now and unleash limitless possibilities!