Pit Bull CHIS807 Pit Bull CHIS807 Hole Saw Set with Carry Case, 7-Piece 5 Holes Saws: 3/4, 1 1/8, 1 3/8, 2, 2 1/2" Screw in Shank 5/8 Arbor with Removable 1/4" Pilot Bit 5/8" and 1/2" Arbor with 1/4" Pilot Bit and 7/16" Hex Shank Blowmolded Carry Case