Safco® Adjustable T-Pad Arms for Safco Apprentice Series Chairs, 4.13 x 10.25 x 10, Black, 2/Set (SAF6689BL) 1 SetSafco Adjustable T Pad Arms for Apprentice Series Chairs Add these optional T pad arms to your favorite Apprentice Series chair for additional support and to help reduce strain on neck and shoulders. Easy pushbutton height adjustment creates custom comfort for a variety of users. Global Product Type: Chair Arms Series Name: Safco Apprentice Series Color(s): Black Color Family: Black Material(s): Foam; Polyurethane; Steel Overall Width: 4. 13" Overall