Fireproof hinges with ball bearings.
Brushed zirconium gold and gun gray.
Material: SUS201/SUS304 stainless steel with two ball bearing hinges that have passed CE fire protection certification and comply with EN1935:2002, EN1935:2002/AC: 2003 certification standards. The two and four ball bearing hinges have passed Chinese GB12955-2008, and fire protection standards for more than 90 minutes are applicable to fire doors and wooden doors.
