The Thompson Center Super Jag Muzzleloader Cleaning Jag features a knurled design to provide maximum contact between patch and bore. Long stepped shank prevents patches from binding. Concave tip allows use for loading. FeaturesSolid Brass ConstructionFor Use with: Ramrods or Cleaning rods with a 10-32 Thread Knurled to provide maximum contact between patch and boreLong stepped shank prevents patches from bindingConcave tip allows use for loading