Products BaseRectangular Base Back Base Rail Fitting Rectangular 45° 556-21550-00 Item Number: 556-21550-00 Base Rail Fitting Rectangular 45° 7/8" You May Also Be Interested In SS Seat Base 256-06510-00 Seat Base Swivel 256-06517-00 Web Swivel Shackles 956-04231-00 Lever Buckles 956-02570-00