Medline Industries Guardian® Rubber Tip Gray, Heavy-duty, Latex-free RubberRubber Tips feature a large surface area that provides superior tracking. Heavy-duty, latex-free, rubber tip flexes for cushioning and shock absorption. Reinforced with metal insert for extended wear. Large surface area provides superior tracking.Reinforced with a metal insert for extended wear. Fits walkers, shower chairs, and commodes with 1″ diameter tubing