Material: AluminumUsed In Conjunction With A Brace Band To Attach The 1-5/8" O.D. Top Rail To Terminal PostFitting Is Offset So That It Can Be Used In Either The Up Position Or Down Position On The Corner Post Allowing The Rail To Be Even And Level In Both Directions From The PostLightweight, Durable And Excellent Corrosion Resistance***AVAILABLE FOR LOCAL PICKUP ONLY***