Tipton Deluxe Carbon Fiber Cleaning Rod with 17 to 20 Caliber and 5 x 40 Female Thread, 26-Inch, 1-Piece Carbon fiber is an ideal material for cleaning rods Carbon Fiber rods can be bent to an extreme degree and return to their original straightness Combinesthe best features of stainless steel and coated cleaning rods Ergonomically designed handle that spins on two sets of ball bearings Smoothly follows the rifling both pushing and pulling, even while under pressure