... W./CTNMEASA051Ssmall hexangonal type1011.510.538*23*17.5 small square shape door closer A051S1.The max width of ... oil leakage.4.Two hydraulic pressure valves control two sections of door closing separately.5.passed the fire- ... ,golden,white,black,bronze,etc.8.packing:1pcs/small box,10pcs/our carton,standard packing.9.we ... ,Resturant, and many places. CE&EN1154 qualified small square door closer A051S