Specifications: 5 of 5/16" x 2" 5 of 7/16" x 2 1/2" 5 hitch pin 5/16" x 2" Includes the following: 32 hitch pin 3/8" x 2" 7/16" x 2 1/2" Contains 71 pieces 3 of hitch pin 1/2" x 2" 3 of 1/2" x 2" 18 of 3/8" x 2"