Prime-Line N 7331 Drive-In Ball Catch w/Strike, 3/4 in. x 1-3/16 in., Diecast, Brass Plated Used to hold swinging doors in closed position with a concealed ball-catch system 3/4 in. outside diameter x 1-3/16 in. long barrel Brass plated finish Diecast construction with steel ball and Brass plated Adjustable tension 1 in. face with lip Easy to install