Hidden Door Pivot Hinge Heavy Duty 200LB Wood Door Hardware 2PCS

HEAVY DUTY & DURABLE: Crafted from thickened stainless steel with rustproof finish; engineered for heavy doors up to 200 lbs, ensuring long-lasting strength for high-traffic entries like bookcase doors or pantry entrances | CONCEALED DESIGN: Creates seamless secret entrances when installed; hidden door hardware allows 360 rotation for a clean, invisible look perfect for hidden bookcase doors, cabinet panels, or secret room access | SMOOTH & QUIET OPERATION: Ball bearing structure ensures fluid 360-degree swivel without squeaking; ideal for quiet spaces like libraries, home offices, or bedrooms where noise matters | WIDE APPLICATION: Versatile pivot hinges suit various door types including bifold, accordion, or swinging doors; ideal for bookcase conversions, secret room entrances, and custom furniture projects | EASY INSTALLATION: Floor-mounted pivot design transfers door weight to the floor, reducing stress on the frame; suitable for both DIY projects and professional carpentry work