Prime-Line Products U 9132 Ball Catch & Strike, 1 in. x 2-1/4 in., Steel, Brass Plated, Adjustable Used to hold swinging doors in closed position with a concealed ball-catch system 27/32 in. outside diameter x 2-1/4 in. long barrel Brass plated finish Diecast and steel construction Used to hold swinging doors in closed position with a concealed ball-catch system 27/32 in. outside diameter x 2-1/4 in. long barrel Brass plated finish Diecast and steel construction