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1. 该产品主体上锁点高度为6mm,可配合锁块ZA1-6A使用于欧标C槽型材的幕墙上悬窗及内平开下悬五金系统上
2. 该产品与ZA1的区别:于大联头处,ZA2采用螺钉连接分体式,而ZA1为压铸一体式,结构上的差异决定其适用于不同场合