BB51 4540 NR2 4.5″ x 4.0″ Storefront Ball Bearing Hinge, 5/32” Radius Corner Exit Alarms The notched seal option is

The notched seal option is ideal for applications where air circulation is required

Hospitality

Quality construction and reliability at an affordable price

Whenever a key is lost or stolen

BB51 4540 NR2 4.5″ x 4.0″ Storefront Ball Bearing Hinge, 5/32” Radius Corner Exit Alarms The notched seal option isPBB BB51 4540 NR2 4 1 2 x 4 Standard Weight Ball Bearing Hinges for Storefront Doors, Five Knuckle, 5 32 Radius Corner, Non Removable Pin, Stainless Steel Base PBB, Inc. template hinges are manufactured to close tolerances and meet all specifications and requirements set by the American National Standards Institute (ANSI). Hinge Swaging: A standard swaging of our standard weight full mortise hinge when closed to parallel position provides a 1 16