Hager BB1279 full mortised, five knuckle, architectural hinge with ball bearings. Standard weight for use with medium weight door or doors requiring medium frequency service. Hinge made of Steel with steel pin.
- Five knuckle
- Two ball bearing
- Square corner
- Standard weight
- Non-rising removable pin with button tip and plug
- For medium weight doors or doors requiring medium frequency service
- Complies with NFPA80 requirements for use on fire rated door assemblies