Standard Pack = 1 piece(s). Dimension C = 1-1/8 IN ; Dimension D = 1-5/16 IN ; Dimension G = 11/32 IN ; Dimension H = 11/32 IN ; Grade = 5 ; Length Under Head = 4 IN ; Material = Alloy Steel ; T-Slot Width = 5/8 IN ; Thread Class = 2A Thread Size = 5/8-11 IN ;