CURT 56016 Vehicle Side Custom 4 Pin Trailer Wiring Harness, Select Mazda 2 Hatchback, 5, CX 9 tiedown This 20K 5th wheel hitch 120893 This 20K 5th wheel hitch comes with a set of standard 5th wheel legs and 5th wheel rails to be mounted in your truck bed with a 5th wheel bracket kit (brackets sold separately) Fits trailer hitches with a 2" x 2" receiver tube opening Couples to 2" couplers or lunette eyes with a 2 1 2" or 3" inside diameter Spring loaded locking arm for secure coupling Constructed from solid This is done using two or more vehicle specific This particular plug in harness provides a 4 way flat connector socket and is designed to be a custom wiring harness to fit certain years of the Mazda 2 hatchback