Standard Walkers WALKER OBESE FOLDING W1250 500LB by ESSENTIAL MEDICAL *** Review Posted on June 10, 2018November 7, 2018Author Marauderby Tab Style Double Button Opening/Closing Mechanism. More Tab Style Double Button Opening/Closing Mechanism. Overall Width: 23″, Inside Width: 22 1/4″, and Tubing Size: 1″ Aluminum