Item No. Sets Unit Price SL-00129 9PC Hole Saws Set 6PC Hole Saws: 3/4" (19mm), 7/8" (22mm), 1-1/8" (29mm) 1-1/2" (38mm), 1-3/4" (44mm), 2-1/4" (57mm) 2PC Arbors: 3/8" Hex, Fit 14 - 30mm; 7/16"Hex, Fit 32 - 210mm 1PC Adapter: 1/2-20UNF - 5/8-18UNF