DIY Train Horn Gun Kit with 4 Trumpets (Universal) Color:Black or wireless modules in this

or wireless modules in this kit — just a robust compressor

Trigger Control: On-tool trigger fires instantly

Not Constantly: A well-timed blast at a critical moment is powerful

Snap in your existing Bosch® 18V battery

Batteries are sold separately

DIY Train Horn Gun Kit with 4 Trumpets (Universal) Color:Black or wireless modules in thisTurn Any Brushed Drill Into a Quad Trumpet Train Horn This universal DIY Train Horn Drill kit gives you everything you need to convert a standard brushed impact drill into a genuine four trumpet train horn powerhouse. A built in air compressor drives all four trumpets simultaneously, producing a commanding blast that leaves car and truck horns in the dust. Note: no remote control or receiver is included, and this kit is not compatible with any