DescriptionSpecificationsDescription52 Piece Fixturing Step Block & Clamp Set with 25mm Step Block, 12mm T-Slot, M10x1.5 Stud Thread 19mm Nut Width, 80, 110, 125, 150, 175 & 200mm Stud LengthsSpecificationsManufacturer Item No.68001Manufacturer NameTE-CO