Hidden Door Hinge Pivot, 570Lbs Heavy Duty Invisible Door Hardware For Secret Room & Concealed Bookcase, 360° Swing Door Hinge System

Hidden Door Hinge,570Lbs Load-Bearing,Thickened Solid Alloy Steel Hardware | Heavy Duty 360°&180°Swing Pivot Hinge For Secret Doors, Bookcase, Murphy

Stainless Steel Hidden Door Hinge, Pivot Hinge, Up To 570Lbs Load-Bearing, Hidden Door Bookcase Hinge, Heavy Duty Swinging Door Hinge 360° Rotation

MURPHY DOOR Hidden Hinge Hardware - Easy DIY Hidden Door System, Heavy Duty Swinging Door Hinge For Secret Door Or Hidden Door Bookcase, Up To 300 Lbs