The Krome compact handgun cleaning kit by Allen is a portable solution for keeping your handgun clean, no matter where you are. The small format ensures you have all the components necessary for cleaning your firearm at the range, in the field or at home. For use with 0.22 caliber, 0.357 caliber/9 mm/0.38 caliber, 0.4 caliber and 0.45 calibers, the kit comes in a neatly organized, compact zippered pouch and all components are marked with their calibers.