Structural Steel TCT set 1 in 3/4 in straight shank|Annual cutter TCT 1 in: Helical flute design reliably evacuates the chips out of the hole for fast, efficient chip removal. Durability: all cutting teeth have the same geometry to produce clean, burr free holes. Carbide cutters make for a longer lasting cutter and is ideal for harder materials and higher RPMs. |1 each CARBIDE annular cutter 1 in cutting depth (?? 9/16, 11/16, 13/16, 15/16, 1-1/16 in)|2 centering pin dia. 1/4 x 3-1/4 [6.35 x 82] in[mm]|1 Magbrush|1 cutting paste|1 L-BOXX 136 for accessorie