2 Pack 4 Inch Door Bolt Flush Stainless Steel Security French Silver\nProduct Details\n--4inch/104mm long, 0.86inch/22mm wide. Spring loaded lever that bolt flicks up and down, easy to operate and suitable for the edges and rear side of the door.\n--Made of stainless steel, wear-resisting and durable to use. Comes with screws and surface strikes for installation, 0.2\"" (5mm) mounting hole diameter.\n--High polished surface, smooth and no burrs. Secure the opening for composite door, French, patio, wood, double or other doors.\n--This flush bolt is typically installed on the top and bottom leading edge of the slave door. Slide bolt latch installed at the edge of the door and completely hidden.\n--Available for home, room, patio, primary-secondary doors, double-open, wood door, sliding door, etc. No mechanical parts are seen when the door is in the closed position.\n\n2 Pack 4 Inch Door Bolt Flush Stainless Steel Security French Door Lock Concealed Slide Bolt Latch with Installation Scs