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Ships within 48 hours · Estimated delivery Sep 22 - Sep 27
uses 5 AA batteries
Required for hinge side mount where top rail is less than 3-7/8" (98 mm)
delaying egress while sounding an alarm
Stainless Steel Round Track (78-3/4" or 96")
(Formerly Stanley) HTFBB179 – 4.5″ x 4.5″ Ball Bearing Hinge with Hospital Tips Electrified Door Closers/Holders For Fire Doors uses 5 AA batteriesBest HTFBB179 Five Knuckle Ball Bearing Architectural Hinge, Hospital Tips, Steel, Full Mortise, Standard Weight, 4 1 2" x 4", Square Corner Stanley Hinges have been re branded as Best Hinges. Packaging may change but its still the same quality hinge you have relied on for decades from Stanley. Depending on stock levels and availability these hinges may be shipped with the Stanley or Best packaging. BEST FBB Series hinges are ball bearing hinges that
