SAFCO PRODUCTS-ARMREST,T-PAD,BK. Adjustable T-Pad Arms for Apprentice Series Chairs, Black, Pair. 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. Arm Style: T-Pad; Color(s): Black; Arm Material(s): Foam; Armcap Material(s): Polyurethane.