Recess bracket for 30mm dia. curtain poleThese brackets, where the barrel unscrews from the neat fixing plate, are designed to secure a 30mm metal curtain pole neatly to a ninety degree side wall. Suitable for our 30mm steel or bronze metal curtain pole sets for use in a recess with no finials or where there is only space for one finial. Dimensions Recess Bracket Dimensions (mm) The backplate depth is 10mm, so allow 12mm each side when specifying pole length.