Check the listing for details. Swage Tool --12 ga. shot-shell ---Removes-reduce crimp swell after reloading. Color: Silver, Condition: New. Listed at 12.95 USD. Swage Tool 12 ga.(free shipping) Reduces or removes Crimp swelling at the Case Mouth after reloading The more you reload the same case; the weaker the Crimp Fold becomes. Often this causes the case to develop a swelling or bulge at the Case Mouth. This is especially important for semi-auto shotguns.Minimizing the swell-bulge helps the shell chamber smoother.This helps to reduce jams and increase reliability. A great accessory for shot-shell reloading.This tool comes as a standard component in the Survival Loader kits mfg by; The X Ring USA Easy and Simple to useINSTRUCTIONSAfter reloading the shell; Hand-Push the case mouth into the Swage Tool. The internal bevel will reduce or remove the bulge-swell at the Case Mouth.CNC machined for quality. Free & fast shipping to addresses in the USA (includes Hawaii & Alaska) We ship with in 3 full business days(excludes weekends, holidays)**********If you are unable to make an International purchase through Ebay; please contact the manufacturer.The X Ring USA They will ship to US Postal Service & US Customs authorized countries.(several countries will not allow this product to be imported as it is weapons/ammunition related)