Material: Made of high quality stainless steel,durable and sturdy enough, not easy to rust or fade. Dimension: 4 Inch,(100 mm + 18 mm) x 34 mm,mount hole diameter is 4mm.Package includes: 2 * Door Bolts and 12 * Mounting Screws. The sliding bolt action provides a solid closing mechanism,it can be inserted to secure the door.providing enough strength and stability for any door. Easy to install: Align the bolt with the door and door frame and draw a dot with a pencil. Drill the holes into the frame and door and screw it into the wood with the screws provided. Two-sided installation,the bolt lock can also be mounted left or right,Suitable for doors, bathrooms, toilets, cabinets, windows, furniture, pet doors, etc., Weight: 0.4850169764 pounds, Manufacturer: Ymwave