1. 1 inch cutting depth, 7 pcs Annular Cutter set; 3/4'' Weldon Shank
2. Incudes 1 pcs pilot pin and 6 pcs Annular cutters
3. Cutter diameter of each cutter: 9/16'', 11/16'', 13/16'', 15/16'', 1" and 1-1/16'; Pilot Pin Size:1/4" x 3" (overall length)
4. Cuts holes in steel accurately, quickly & safely; Large holes can be drilled up to ten times faster than regular drills bits; Make overlapping holes, slotting holes and edge cuts; Made from tough, high-speed tool steel
5. Machine-finish hole-no reaming needed when used with lubricant; American Standard