This grab bar is economical&functionalLength=12"/18"/24"/32"/36"/48"Diameter=25/32/35/38mmThickness=1.0/1.2/1.5mm Tested to withstand 300lbs aboveExposed screw grab bar has  flange covers.Warranty of 3 yearsThis warrantee does not cover products which have been abused,altered,damaged,misused,cut or worn.