13pcs Jorneymans Hole Saw Kit

Inch sizes:: 3/4", 7/8", 1-1/8", 1-3/8", 1-1/2", 1-3/4", 2", 2-1/4", 2-1/2"

Metric sizes:: 19-22-29-35-38-44-51-57-64mm

Mandrel:: 7/16 HEX, 1/4" round

Adaptor:: arbor adaptor with 1/2-20UNF thread to 5/8-18UNF

Material:: M3, M42