STH-10 siren drill wind up - Ryobi

Another STH-10 drill wind up. Got board and wanted too crank it up a little.
#federalsignal
#sirentesting
#tornadosiren
#test
#loudnoises
#foryou
#youtube

[@ThatOneBoteman]

nice , i really love sth-10's , but aside from that , on that train video as you know i said stuff about the stls for thunderbolt , where are they available?