主要材质：铝合金

Material: Aluminum alloy

选用锁体：7255锁体

Select body: 7255 lock body

适用范围：房间门、户外门、大门

Available for: room door, outside the house and gate

适用标准：QB/T2474-2000

Applicable standard: QB/T2474-2000

锁体中心距：72mm

Center distance of lock body: 72mm

表面处理：铝氧化

Finish: AL