[Carbide Tips] - The carbide tip is hard (with a hardness of 89~95HRA), not easy to wear, and more durable than ordinary speed steel annular cutters.
[12 PCS] - The annular cutter set with 3/4" Weldon shank (with 2 flats) has 10 drill bits(cutting diameter: 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 15/16", 1", 1-1/16") and 2 pilot pins.
[Triple Edge Cutting System] - Superior "Triple cutting geometric design" allows for more efficient cutting with less vibration. The holes cut are smoother and burr-free than normal annular cutters.
[Applicable Materials] - The cutters are suitable for drilling stainless steel plates, steel plates, copper plates, and aluminum plates, but not for wood.
[Compact & Portable] - This magnetic drill bit kit comes with a padded plastic outer case and sponge to protect it in all directions. It is small and does not take up much space, so you can take it with you anywhere.