Details Our High Quality SOSS® Concealed Door Hinge model #218FR is for use in metal or wood applications. This full size door hinge will provide superior appearance and durability. These hinges are used where compact size, smooth operation, and flush fit are necessary SOSS® Concealed Hinges open a full 180° and are a single action hinge. Multiple Finishes Available! Sold as Each (1 Individual Hinge) Click to see Official Soss Hinges VideoHow to install Concealed Hinges The Underwriters Laboratories labeled the model #218FR SOSS® Invisible Hinge can be used on hollow metal, sheet metal, tin clad, steel composite or wood core swinging type fire doors and frames with a 20 minute rating. Use at least one fire-rated hinge for every 20" of door height or portion thereof, or one hinge for every 60 lbs. or fraction thereof, whichever calculation demand more hinges. Available Finishes 24 Karat Gold Antique Brass Black E-Coat Bright Brass Bright Chrome Bright Nickel Oil Rubbed Bronze Satin Brass Satin Chrome Satin Nickel Unplated White E-Coat Additional Information Application Full Sized Entry, Metal, Wood Min. Material Thickness 1-3/4" Fire Rating 20 Minutes Power Transfer No Spring Closer No Counter Bored Screw Holes No Screws Included Wood Packaging 1 / Box = 1 Each Packages Per Container 1 Each Price Per Each Dimensions A 1-1/8" (28.58mm) B 7/8" (22.23mm) C 4-5/8" (117.48mm) D 3/8" (9.53mm) E 1/4" (6.35mm) F 2-15/32" (62.71mm) G 1/16" (1.59mm) H 1-41/64" (41.67mm) I 13/32" (10.32mm) Min. Matl. Thickness 1-3/4" (44.45mm) Wood Screw Sizes #10x1-1/2" (4.8x38mm) Soft Wood Pilot Hole No. 43 Hard Wood Pilot Hole No. 31 Machine Screw Sizes #10-24x1" Hinge Weight 1.86 lb. Don't forget to order a Router Template for this hinge to make sure it is routed perfectly for installation.