12 Gauge 4 Way Trip Wire Alarm Perimeter Defense Device 2.5 by Trip Alarm Co. (Olive Drab)

I know when I ngo to use this it will work very well made. Don’t let the price give you doubt this is a nice piece and will work when you need it most

I used this to alert me when the shed door is opened in my back yard. The firing mechanism was machined with a step on the shaft, and the top of the block was not chamfered at all, so it would catch just barely and not let it fire. it still worked but needed a firm jolt to activate. a little chamfering at the top of the block and we now have a hair trigger.

There's plenty of YouTube vids on it, I tested mine to make sure it set primer off, and it hits it hard, no doubt it will go off every time. Neat invention.

The 4 way trigger is awesome , when using put spring tension one one side, if trip is cut it'll be "oops"😜

Very well made, it does come unassembled. It takes a minute or two to figure out how to put it together. Somewhat hair-triggered.

The blanks for this devise are hard to come by !!!!!!!!

Very well made and well worth the money! Very easy to use and dies what us should.

Easy install, pin comes out easily