YALI 35 decibel voice isolation... 3 adjustable hard steel hinge with 10 cm. length and it resist 400 kg, it can be oiled ... Double wicked system (seperate wicks on door and case)... Fire resistance till 120 min... Yalı models contain 2 different wooden parts like assculpture and embossed... The place between wooden panels contain whole steel... Steel parts are inside for good looking... Wooden veneer wrapped into pressed steel... We produce several models lik