Wade 520 is a concealed arm lavatory carrier designed for 1/2" anchors. It features uprights, welded base feet, cast iron header couplings, Sch.40 pipe nipples, leveling screws, lock devices, and a tie rod. Installation involves positioning the header couplings, attaching the tie rod, securing the feet with wedge anchors, sliding the arms into the pipe nipples, positioning leveling screws and lock devices, and leveling the lavatory. The Wade 520 provides a sturdy and adjustable support system for lavatories, ensuring proper alignment and stability.