DOUBLE SS304 HINGE – Equipped with 4 x SS304 stainless steel hinges, known for their superior rust resistance and high strength. Couch Arm Tray Table, Double SS304 Hinges Sofa Armrest Tray for Robust Large Grip Arm, Sofa Arm Rest Tray Table with 360 Rotating Phone Bracket, Non-Slip/Flexible with Different Sofa.
eBay