Only the REESE Towpower Dual Fit Coupler has this combination of unique features and field-tested strength and performance. An adjustable lock nut lets you secure proper ball tension. The convenient trigger handle lets you easily secure the coupler on the hitch ball. This unique REESE coupler includes spacers that fit 2 channel widths, helping to ensure a proper fit; and a tethered pin for added security. Zinc finish. Mfrs. 1-year limited warranty. Unique dual-fit REESE coupler for safer, easier trailering REESE Towpower proven strength Adjustable lock nut Convenient trigger handle Includes spacers to fit 2 channel widths and tethered pin for better security Zinc finish