Model 505 — Bradex® Controlled Delivery Single Roll (For Dual Roll see Model 522) Product Materials UNIT: diecast zinc. Copper and nickel polished chrome-plated finish. Capacity One standard core toilet tissue roll through 5″ in diameter and 4½” wide. Operation Push button unlocks support arms to permit servicing of unit. Tension spring on stationary arm controls paper delivery. Installation Verify all rough-in dimensions prior to installation. Secure to wall with mounting screws (included) at holes provided. Guide Specification Surface-mounted toilet tissue dispenser shall be chrome-plated diecast zinc and hold one standard core toilet tissue roll. Tension spring controls paper delivery. Overall dimensions: 5½”W x 23 ⁄8″H x 4¼”D.