VERSATILE: Includes 10 popular handgun and rifle calibers including .22, .223Ca / 5.56mm, .243 cal / 6mm, .260 cal / 6.5mm, .270 cal, .284 cal / 9mm, .40 cal and . 45cal in one convenient storage caseCLEAN BORES FASTER: Increased surface contact without bunching. Closer fit for deeper cleaningLONGER JAGS: Up to 4x more contact surface which saves time – fewer passed through boreLONG LASTING: Nickel plated jags are able to last longer and eliminate chemical breakdownPRECISE: The Bore-Max speed clean system is precisely sized for maximum bore contact. It is a superior alternative to other gun cleaning jags and is a great addition to your gun accessories