Designer brushed nickel elite grab bars are available in 16" and 24" lengths. 1-1/4" bar diameter. They have a patented design that allows for secure installation into studs at any angle. Grab bars meet the American Disibilities Act (ADA) specifications and have been tested to withstand a 500 lb. pull when securely installed per instructions. There is a lifetime rustproof guarantee. 1-1/4" with concealed screw.