DIY Train Horn Gun Kit with 4 Trumpets (Universal) boat air horn Snap in the battery and

Snap in the battery and pull the trigger

heads-up before a delivery truck threads the yard

In our Makita®-compatible family

In the Box

Ready to use out of the box—just secure the battery

DIY Train Horn Gun Kit with 4 Trumpets (Universal) boat air horn Snap in the battery andSome people want a horn that shows up finished. This kit is for everyone else. The DIY Train Horn Gun Kit with 4 Trumpets is a universal, no frills build project: you supply a brushed drill, and the kit supplies the quad trumpet horn assembly, the compressor, and the fittings. A few hours at the workbench later, you are holding a handheld, cordless train horn you put together with your own two hands plus a story to go with it. What You Get Four