SOSS Invisible Hinge System, Model #418

Underwriters Laboratories awarded invisible hinge model #418 a 3-hour fire rating. Use on hollow/sheet metal, tin clad, steel composite or wood core swinging fire doors and frames.

SOSS Invisible Single Door Hinge Finish: Unplated 418UNP

SOSS 4-5/8 (117mm)H Heavy Duty Invisible Hinge - EACH (Satin

SOSS® 418SS Series Invisible Hinge, UL Fire Rated Hinge for Wood

Model 418SSIC Invisible Closer Hinge - SOSS Door Hardware

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SOSS 418 Alloy Steel 20/90/180 Min. Fire Rated Hinge for 1.75

Soss Hinges Authentic Quality

SOSS Invisible Hinge System

SOSS 418SS Invisible Hinge Stainless Steel 90/180 min. Fire Rated

Let's Build A Trap Door Leading To A Secret Fish Room Under, 43% OFF