The Optimus Arm Kit is a must-have accessory designed to enhance comfort & support for users of the Optimus line of Big & Tall desk chairs. Perfect for those who require extra seating support, this arm kit provides sturdy & ergonomic armrests that reduce strain on your shoulders, arms, & neck during long hours of sitting. The adjustable design allows for a customizable fit, ensuring optimal comfort no matter your body type or desk height. Built to seamlessly integrate with the Optimus chairs, the arm kit elevates your seating experience, making it ideal for office environments where comfort & durability are essential. Series Name: Safco Optimus; Color(s): Black; Color Family: Black; Material(s): Polyurethane.