Clamping Kit, Machinist, Number of Pieces 54, Slot Size 11/16 in, For Use With 1/2 In.-13 Stud Size, Includes (24) Studs: (4) Each of English Kits 3 in, 4 in, 5 in, 6 in, 7 in and 8 in Long, (4) Coupling Nuts, (6) Flange Nuts, (6) Serrated End Clamps, (6) Step Blocks, (6) T-Slot Nuts, Holder, T-Slot Cleaner, Application Workholding During Machining