Mechanical hinges set (A3, A4) perform self-closing functions for frequently used doors, it is quiet but not as quiet as the hydraulic hinges (B3, B4). For further information please see this Solution page.
Mechanical hinges set (A3, A4) perform self-closing functions for frequently used doors, it is quiet but not as quiet as the hydraulic hinges (B3, B4). For further information please see this Solution page.