Standard Pack = 1 piece(s). Type = Rectangular Gage Block Set ; Material = Steel ; Block Shape = Rectangular ; MM Or Inch = Inch ; Number Of Blocks = 81 ; Measuring Range = 0.1001 To 0.1009, 0.101 To 0.149, 0.05 To 0.95, 1 To 4 Steps Of 1 ; Accuracy Grade = 00 ;"