● 适用于房门、大门、双开大门38mm-55mm厚度的门上安装。● 严格配备7珠锁芯,超国家防盗标准,最适合与工程用锁。● 设计合理,性能稳定,手感特好,多款式选择。1.Thelockisappliedtothicknessofgate,double-opendoor,entrancerangedfrom38mmto55mm.2.Cylinderwithsevenpinsdesignwhichiscorrespondtonationalsecuritystandardismuchsuitableformakinginstructionkey.3.Manyfinishesareavailable.