The Durango Rod is Case Hardened Stainless with a comfortable wooden handle and a bore guide with an internal diameter to fit the rod - ¼”, 5/16” and 3/8”- to eliminate muzzle wear. Rods with rotating handles have 8-32 threads. Those of 3/16” (0.186”) diameter come in 10”, 16”, 36” or 44”, heavier ¼” rods in 36” or 44” lengths. Fixed handle ¼” diameter, 8-32 thread, rods come in 10”, 34” and 44; fixed handle 5/16” diameter, 10-32 thread, rods come in 34” and 44”. The best is never cheap.