Products BaseRectangular Base Back Seat Base Swivel 256-06517-00 Item Number : 256-06517-00 Material : Steel, EDC Black Colour Description: Seat Base Swivel You May Also Be Interested In Base Rail Fitting Rectangular 60° 556-21561-00 60° Rectangular Base 156-66042-00 End Stanchions 956-09893-00 Staples 956-08430-00