Build your own Bookcase Door or Hidden Door This unique system allows you to use one hinge to make in swing, out swing, left or right hinged doors. Now this all-inclusive system includes all hardware to build the flush mount hidden door system, this kit includes all the necessary hinge components for you to design and build your own door system. Have you always wanted to build your own secret passage at the end of a hallway, in a library or in your man cave? Do you have a gun room that you would like no one to know about. How about a hidden pantry in your kitchen. Are you a do it yourselfer or professional cabinet maker that likes woodworking, or do you have a customer requesting this unique, Got to have this in their home. This hidden door hardware kit is used to design and build your own flush mount type hidden door. Murphy Door Makes No Claim to the ease of designing & building your own bookcase Murphy Door Makes No Claim to the ease of designing & building your own bookcase Bookcases and Cabinetry is a Skilled profession if you choose to design and build your own bookcase, Murphy Door will not provide you with any dimensions, we will not aid in any way with the design, construction or customization of a door. Hinge Templates at Murphydoor.com Why Murphy Door Hinges Strong as steel Ball Bearing Lower Pivot Point Rated at 1160 Torque lbs dynamic load and 540 lbs Static.Top Hinge with included Thrust bearing Strong and Smooth pin Upper pivot pin is a slip pin and not a bolt that can strip out and cause sag in just a few uses.Made with Aircraft aluminumComes with black pin removal tool Parts included Hinges are on pivot hinges. Mounted on the top and bottom of the door. Most of the weight is on the bottom hinge.Bottom pivot is 1/2" steel shank with a thrust bearing. Bookshelf door using Murphy Door Hardware Hinges are mounted on top and on the bottom of the door Both upper and lower hinge has a bearing for extra smooth opening and closing.No wheel required on the non hinge side of the door.Made in the USA.Designed for a flush mount style hidden door has a load capacity of 300 lbs.This hardware is intended for use on flush mount applications and sits inside the doorway opening.Hinges can be used on in swing or out swing doors. Right hand or left-hand door swing.Our hardware will work for your door designs up to 36" wide.