Bobrick B-68616.99 Two-Wall Shower/Tub Compartment Grab Bar w/ Peened Grip Published 01/11/2016. Size: 845 × 540 in Bobrick B-68616.99 Two-Wall 24″ x 36″ Tub/Shower/Toilet Grab Bar 1-1/2″ DIA Peened Grip