uIf you pull a bolt strongly,...v
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If you pull a bolt strongly,...

Please do Right pull
When you pull a bolt handle,please attach your thumb to bolt end as right picture.And pull straight.If you don't do so,your bolt will be damaged deadly.
In case of changed our upgrade cylinder,it may happen.If you use strong springs like a SS series.

If you pull a bolt strongly,...
If you pull a bolt strongly
The right picture is just showned as a customer ry too hard.There is a clearance between pin & hole to be deformed.And a welded comes unstuck.

This cylinder is no more use ...
If you pull a bolt strongly,...