Complete Hardware: Bolts 1/4-20 x 2.25 inch (D-16), bolts 1/4-20 x 2 inch hex (M-4), screws No. 10-10 x 1.75 inch (I-24), lock nuts (E-16), wing nuts (J-4), washers (F-16), plate (B-4), instruction sheet, retaining bracket, 4 locking plates (step 1) - Parts