Metric Gage Blocks meet GGG-G-15, DIN & JIS Specifications are supplied as indicated in the table. Metric Gage Blocks meet GGG-G-15, DIN & JIS Specifications are supplied as indicated in the table.122,112,103,88,87,83,76,56,47*,47,46,38,32piece/setGrade 0/1/2. No. Of SteelSolid CarbideCeramicPiece/SetSize(mm)Steps(mm)BlocksGradeModel No.Model No.Model No.1221.0005…10630-1220 1.001-1.0090.00191630 ...