The grooved shaft and pawl are excellent match in four (4) positioning points.
They are a easiler way to instal. They are durable and strong.
The grooved shaft is 6mm to expand and contract.
The pawl moved forward and reversed vertically 6mm while the compression
latch is opened and closed.
Once opened, the pawl will be 6mm expanded to rotate smoothly.
Once closed, the pawl will be 6mm contracted to compress the panel and cabinet.
This compression latch has good waterproof and against vibration.