Products BaseRectangular Base Back Base Rail Fitting Rectangular 90° 556-21580-00 Item Number: 556-21580-00 Base Rail Fitting Rectangular 90°, 2 Hole, 7/8" You May Also Be Interested In Light Antenna Base 156-66230-C0 Seat Base Swivel 256-06518-00 SWIVEL BOLT SNAP HOOK 397-SBSH-1928 Clevis Grab Hook 956-02735-00