Manufacturer Part Number: 400-3501|Clamp Set Type|Step Block & ClampStud Thread Size|3/8-16Material|SteelT-Slot Size (Inch)|1/2T-Slot Size (mm)|Step Block Width (mm)|T-Slot Nut Width (Decimal Inch)|T-Slot Nut Width (mm)|Includes|(24) Studs; (4) Coupling Nuts; (6) Flange Nuts; (6) Serrated End Clamps; (6) Step Blocks; (6) T-Slot NutsStep Block Widths (Decimal Inch)|Step Block Widths (Inch)|1Stud Lengths (Inch)|3; 4; 5; 6; 7; 8Stud Lengths (mm)|Maximum Capacitys in Set|Overall Length|T Slot Nut Width Inch(Fractional Inch)|7/8Number Of Pieces|59UNSPSC Code|27112100