... used on the top of the dooror door top spring, Concealed Transom Closer 1,All floor spring have ... is applicable to all weather installation.3,The door can be opened by max 105' and closing ... along with double-stage adjustment.4,Maxinum door wight is 110kg,door width is 1200mm.5,Suitable for 100 ... -110kgs door weight,1200mm door width6,Finish color:titanium or customer demand ...