For Thompson Center and Lyman barrels. Available once again, a breech plug wrench made for the traditional style, side lock rifles. This 3/8" thick steel block makes plug removal much easier, with no danger of marring barrel finish. Available in 13/16" for Thompson Center Cherokee or Seneca. 15/16" for .45 & .50 caliber Thompson Center Hawken and .50 and .54 caliber Lyman Great Plains rifle. 1" for .54 caliber Thompson Center Hawken and Renegade rifles.