McKinney - Mac Pro - MPB91 - Full Mortise Hinge - 5 Knuckle - 4.5 "x 4.5" - Standard Weight - Satin Stainless Steel Rolls Royce Two articulated arms

Two articulated arms

LK-TB400-SS

thick doors

and there is a malfunction

McKinney - Mac Pro - MPB91 - Full Mortise Hinge - 5 Knuckle - 4.5 "x 4.5" - Standard Weight - Satin Stainless Steel Rolls Royce Two articulated armsMcKinney Products Company designs and manufactures high quality architectural hinges for commercial use. With roots in Cincinnati OH, McKinney manufactured in the heart of the Pennsylvania steel industry for many years. The McKinney MPB91 is recommended for standard weight, medium frequency doors, or doors with closing devices. More Information Below Specifications Product Full Mortise Hinge Material Metal, Brass Gauge . 134 No. of holes 8 Fasteners