Standard Pack = 1 piece(s). Base Width = 4 IN ; Bolt Hole Diameter = 7/8 IN ; Centerline Height = 1 11/16 IN ; Height = 6 1/4 IN ; Overall Height = 7 IN ; Set Includes = GG3040000, GG3040001, GG3040002 ; Tool Holder Capacity = 1/2 - 1 IN ;