Kit Includes:;(1) Small Thread Arbor, 3/8" Shank (49-56-7010);(2) High Speed Steel Pilot Bit 1/4" x 3-1/2" (49-56-8010);(1) Large Thread No-Wobble Arbor 7/16" Shank (49-56-9100);(1) 3/4" HOLE DOZER Bi-Metal Hole Saw (49-56-9605);(1) 7/8" HOLE DOZER Bi-Metal Hole Saw (49-56-9607);(1) 1-1/8" HOLE DOZER Bi-Metal Hole Saw (49-56-9611);(1) 1-1/2" HOLE DOZER Bi-Metal Hole Saw (49-56-9617);(1) 1-3/4" HOLE DOZER Bi-Metal Hole Saw (49-56-9621);(1) 2-1/8" HOLE DOZER Bi-Metal Hole Saw (49-56-9626);(1) 2-1/4" HOLE DOZER Bi-Metal Hole Saw (49-56-9628);(1) 2-5/8" HOLE DOZER Bi-Metal Hole Saw (49-56-9633)