Quick Tach Attachment Mount Plate, Plasma Cutting, Grade 50 Structural Steel, 1/4 Inch Thick, Firmly Welded, Easy To Weld Or Bolt, Universal Mounting System, Specifications, Dimensions for the Plate, Outside width: 46 inch, Inside width: 45 inch , Height: 18.5 inch, Top bar: 3/8 inch thick. Plate: 1/4 inch thick, Dimensions for the quick tach adapter latch, Height: 17 inch ,Width: 9.25 inch, Dimensions for the Plate Outside width: 46 inch Inside width: 45 inch , Height: 18.5 inch Top bar: 3/8 inch thick. Plate: 1/4 inch thick Dimensions for the quick tach adapter latch Height: 17 inch ,Width: 9.25 inch, Package Content, 1 x 1/4 inch Quick Tach Attachment Mount Plate, 1 x Pair of Quick Tach Brackets, 1 x 1/4 inch Quick Tach Attachment Mount Plate 1 x Pair of Quick Tach Brackets,