9451 Series. Bright brass handrail bracket. One piece, single screw design for quick and easy installation. Poly-bagged. Secures wood handrail to wall, stud or other structurally sound surface. Safe Working Load 250 pounds per bracket. Backplate measures 2.178 inch diameter. Maximum distance between brackets not to exceed 48 inches. Handrail should not extend more than 24 inches beyond end of bracket. Manufactured of zinc die-cast. handrail bracket die cast zinc, Poly-bagged. 2.7 inch projection to screw holes. Overall projection 3.1 inch. Single hole for wall mounting. Includes one matching #12 by 2 inch oval head screw and two matching #10 by 1 Inch oval head screws mount 1.16 inches on center. 3.17 Inch overall height.