It is aftermarket parts used for Harley Sportster , Wide Glide, Street Bob, Roadking, Fatbob, Streetbob, Softail, Dyna, Street Glide, Road Glide, Ultra Glide, Touring 1996-later and other model with 1/4"-20 thread
Knurled Sides for Easy Grip & Quick Release, No Tool Required to Install & Remove
Thread type is 1/4"-20, Replaces the Standard Seat Bolt
Mounting Rear Seat to Top Fender , Not Work with Solo Seats or Side Mount Seats