This is a full mortise architectural hinge with ball bearings between the knuckles for smooth swing on heavy doors. It has square corners and a non-removable pin, so the door cannot be lifted off by pulling the pin. It fits commercial and multifamily openings where a heavy weight hinge is needed. Part FBB168NRP 4-1/2X4-1/2 10 is the Steel, Full Mortise, Heavy Weight, 4-1/2 x 4-1/2 in, Square Corner, Non-Removable Pin version in Satin Bronze.

• Steel
• Full Mortise
• Heavy Weight
• 4-1/2 x 4-1/2 in
• Square Corner
• Non-Removable Pin
• Finish 10 Satin Bronze
• Part number FBB168NRP 4-1/2X4-1/2 10