For people who need both a cane and a walker, this tool free, snap-on design provides a convenient way to carry a cane while using a walker or rollator. Holds canes, umbrellas, and some reachers. Attaches to any round tubing 3 4 to 1-1 8. Made of lightweight durable ABS plastic, weighs just 6oz. Vinyl coated steel gripper clips that won t scratch the walker and hold tight. VELCRO brand fastener strap also included to securely bond the CaneTUBE to your walker or rollator. Portable, take it off one walker or rollator and quickly put it on another. 4 Overall tube is 14 long with a 2 diameter and is sized to fit.