Softride Quiet Ride Locking Tightening Hitch Pin; Anti-Rattle for Receiver Hitches, Bike Racks, or Boat Trailers; Silence the "clanking" noise that occurs while towing (25219) Compatible with hitch receivers, hollow shank ball mounts, and multiple brands of hitch mounted bike racks, including Thule, Yakima, Saris, Kuat, Rocky Mounts, Swagman, Hollywood, Allen, and Inno. and hitches from manufacturers including Curt, Reese, Draw-Tite, Hidden Hitch, TorkLift, and Ultra-Fab Eliminate the annoying rattle and vibration when towing by using this versatile anti rattle anti theft accessory, compatible across brands. Anti rattle hitch tightener reduces wobble; stops movement, play, and sway; eliminates the clank noise. Halts up and down and side to side motion; prevent drawbar rattling and wobbling under load. Perfect for use with a car, van, truck, RV, tow vehicle, SUV, ATV, bicycle rack, camper, fifth wheel, boat trailers, cargo trailer, gooseneck and towing accessories. Extra long pin compatible with Toyota hitches. Reduces wear on drive train when stopping and starting. Anti-theft hitch lock included for security. Kit includes: heavy duty solid stainless steel threaded hitch pin, lock washer, nut, rugged nut holder and fit adjuster; durable brass lock and keys; rubber dust cover for extra protection against dirt, debris, and weather. Friendly customer service from a small family-run company in the USA. Easy installation  hand tighten the pin, THEN attach lock, THEN wrench tighten. Install with hitch classes 1, 2, 3, and 4 (i. ii. Iii. Iv), on 2 receiver (not on 1.25 receivers). Patented 2-axis tightening. An insert fitted with a nut slides inside a hollow ball mount to pull it tightly against the receiver tube. Fix to keep tow trailer secure, quiet, snug and tight.