... speed adjusting valves, suit for aluminium and wood doors Top spring/ door closer TS-1011/ Material: CR-MO Alloy, pressed ... temperatures5/ double action with two section speed adjusting valves, max open at 116 degree, stop exact at 90 degree6/ Pack: ... such as Locks(Wood door, Glass door and Cabinet Door), Hinges(Concealed and Door), Handles(Wood door, Glass door and Cabinet), Door closer and Floor ...