Urbanest 18" Towel Bar, Oil-Rubbed Bronze Urbanest 18" towel bar in oil-rubbed bronze. Mounting brackets each measure 2 1/4" in diameter; projection from the wall measures 3"; towel bar measures 18" across; installed length (including brackets) of towel bar is 20". Towel bar is wall-mounted; attach brackets to wall and insert rod between the brackets. Mounting hardware included for easy installation.