Allied Brass DT-41-BB-18-SN Dottingham Collection 18" Back To Back Shower Door Towel bar, The Allied Brass Dottingham Collection towel bar set contains two identical bars and can be easily fitted on shower doors and walls. Its simple, timeless design goes with nearly any bathroom decor. Choose a finish to suit your preference. Two identical towel bars that fit back-to-back on a shower doorSturdy brass materialTowel bars each measure 18 inches wideMultiple finishes availableStylish, elegant designIncludes hardware for installation