20 Pc. Bi-Metal Hole Saw Kit: H

Features and Benefits: 12 Pieces M3 bi-metal hole saw: 3/4', 7/8', 1', 1-3/8', 1-1/2', 1-3/8', 1-1/2', 1-3/4', 2', 2-1/2', 3-1/2', 4-1/2'1 Pc. mandrel (5/8 UNF-18) with 1/4' M2 pilot drill, 7/16' hex shank1 Pc. mandrel (1/2 UNF-20) with 1/4' M2 pilot drill1 Pc. 12' Long Extension, 7/16' hex shank1 Pc. adapter (5/8 UNF-18)Plus 2 pieces pilot drill, 82mm OALPlus 2 pieces pilot drill, 102mm OALPackaged in a metal case