16 x 1.5mm Threaded Impact Installed Packaged in a display box 2 3/4 inches high 2 3/8 inches wide Limited 1 of 500 Original Production High impact Resin Hand Painted Designed in the USA Designed by VonAxle Protective coating reduces wear Related posts: OMP® – HRC Air Series Competition Seat OMP® – HRC Air Fiberglass Series Competition Seat OMP® – HRC Series Racing Seat OMP® – HTE One Series Carbon Fiber Racing Seat