Dexter (K23-451-00) 12-1/4" x 3-3/8" Electric Trailer Brake Assembly - Passenger Side 12-1/4" x 3-3/8" electric brake assembly fits 9,000 to 10,000 lb. axles with 7-bolt pattern Rated 10,000 lbs. capacity per pair Right hand, passenger side application Mounting hardware not included Read product description below for more information