Shop Nilight 5/8 Inch Diameter Heavy Duty Ultra Strong Neodymium Magnet Trailer Hitch Pin Green for Lawn Mower, Tractor, Towing Cargo, ATV Trailer in high quality, support 2 year warranty. Lawnmower hitch pins not only could be tightly fixed with magnets but also can be fixed with cotter pins. perfect double protection even at high speeds and on the toughest terrain. Our quick connect hitch pin has a simple design that will stand the test of time