These sliding bolts are suitable for all kinds of doors, such as bathrooms, wardrobes, bedrooms and shed doors, etc. Easy to install and use. Durable and sturdy material, made of good quality 304 stainless steel, strong, sturdy, and has a smooth glossy finish that gives it a good appearance. Door bolt size: the main bolt body length is 60mm, the width is 3mm; the receiver is 20mm in length, and 30mm in width. Align the bolt with the door and door frame and draw a point with a pencil. Drill the holes in the frame and door and screw it into the wood with the screws provided. More security for your bathroom, bedroom, closets and other interior doors.