Rat Worx (Research And Testing Worx, Inc.) is known in the industry as a class II firearms manufacturer. Our focus is primarily gun and suppressor sales, along with manufacturing of gun parts, and suppressors.
Rat Worx is home of the only Rat Worx MRX automatic chain drive knife.
Rat Worx, Inc. was founded in 2002 and is headquartered in Mt. Morris, IL.
NRR 24dB - Constructed of flexible rubber for superb comfort. - Three flanges of flexible rubber form a cozy seal for all size ear canals. - Packaged in a convenient dispenser box 50 corded pair per box.