A handgun cleaning kit sized for .38 calibre firearms (such as .38 Special and .357 revolvers and 9 mm pistols that use the same bore size), built around a one-piece cleaning rod. A one-piece rod has no joints, so it is stiffer and will not snag or scratch the bore the way a jointed rod can. Use it after shooting to push patches and brushes through the barrel to remove powder fouling, lead and copper, which keeps the handgun reliable and protects the bore from corrosion. Check that the brushes and jag match your calibre, and always clean an unloaded firearm. The exact contents of the kit (brushes, jags, patches or oil) are not listed by the supplier, so check the pack.