walker669

I have three boxes of tr-19 block insulation that is 1-1/2 x 12 x 36 is this usable in any way for anyone. They were left over at the shop that I work at and if someone can use them for something they can come get them if not I am gonna trash them.

It means it need 4 trigger cycles, meaning you press trigger and release and the wire feeds, then press trigger and release and the wire stops. It is a trigger lock.