MJM AMBULATORY WALKERS "400" SERIES - Stroller/ Walker , 18" Internal Width, Anti-Tip Outriggers, 3" Twin Casters, Height Adjustable, For Residents/ Patients Between 6 ft & 6 ft 6" | Quantity - 1x EAHeight adjustable. Solid base with soft cushion. Wider base for better balance. Casters (4" x 1 1 4") come with removable bolt nut for easy maintenance. All casters have threaded stem and are double wall reinforced with schedule 40 1" PVC. Stroller Walker , 18" Internal Width, Anti Tip Outriggers, 3" Twin Casters, Height Adjustable, For Residents Patients Between 6 ft & 6 ft 6" Mfr. Direct