The 10mm/.40/.41 Caliber O-Ring Cleaning Jag is designed for effective firearm maintenance across multiple calibers with O-ring technology for secure patch attachment.10mm/.40/.41 Caliber O-Ring Cleaning JagCompatible with 10mm .40 caliber and .41 caliber firearmsO-ring design ensures secure patch retention during cleaningEssential firearm maintenance accessorySKU: J40RPSIZE2Ideal for gun owners and professionals who need reliable cleaning equipment for multiple caliber firearms ensuring proper maintenance and performance.