There is a switch on the upper end of the tool handle. After pushing up, the pressure of the ejector rod can be reduced, so as to save labor and do not leak glue.
There is a switch at the upper end of the tool handle, which can reduce the pressure of the ejector rod after pushing up, so as to save labor and avoid glue flow
There is a switch at the upper end of the tool handle, which can reduce the pressure of the ejector pin after pushing up, thus saving labor and not flowing glue.