These armrests are CNC machined from solid billet aluminum, hand-polished to a flawless finish and triple chrome-plated with extremely comfortable padded and water-resistant upholstered cushions. The high quality set features a pivoting design that allows easy passenger access and installation. Sturdy black powder coated steel mounting plates offer secure and rigid placement, and the armrests are rated at a 30lb. working load and have been tested to 60lb. static load. Also included is an L bracket for mounting RIV-CH500 Chrome and RIV-CH600 Leather Cup Holders (Sold Separately).