Spyder 17-Piece Carbide-Tipped Arbored Hole Saw

Carbide - tipped blade - 5 times faster than bi-metal blades. 10 times more cuts than bi-metal blades. 2-3/8-in cutting depth. Contains various cup sizes 1 each of 3/4-in, 7/8-in, 1-1/8-in, 1-3/8-in, 1-3/4-in, 2-in, 2-1/4-in, 2-5/8-in, 3-in, 3-1/2-in, 4-in, 4-1/4-in, 4-1/2-in. 5x faster and up to 10x more cuts than standard bi metal hole saws and effortless plug ejection by dropping out the core with the push of a button. Cut more materials: cuts wood w/o nails, cement fiber board, plastic, porous concrete block, brick, ceramic wall tile under hardness 6.