1.磁力斜舌，平行伸出金属方舌，不锈钢304方舌
2.“M”代表磁力锁舌，可装配于各种功能锁体，如下
M72-55A标准功能
M72-55L通道功能
M72-55T逃生功能
1.Magnetic latch, parallel extension，bolt is stainless steel 304
2."M" means Lock with magnetic latch,it can be assembled on a variety of functional lock bodies, as follows:
M72-55A Standard features
M72-55L Passage function
M72-55T Exit function
