Roloff Mfg Corp Roloff Side Bracket 1 1/4in. D. x 1.660 O.D. pipe. It is constructed from quality durable materials. Quick and easy installation. Refer to manufacturer recommendations and guidelines to ensure a proper fit. Features of Roloff DB-200 Mfg Corp Roloff Side Bracket 1 1/4in Side Bracket - Fits 1-1/4" I.D. x 1.660 O.D Constructed from quality durable materials Quick and easy installation Refer to manufacturer recommendations and guidelines to ensure a proper fit Package Contents: Roloff DB-200 Mfg Corp Roloff Side Bracket 1 1/4in Roloff DB-200: Mfg Corp Roloff Side Bracket 1 1/4in