Large, 5/16" diameter, nylon-coated, steel rods decrease flex and provide easier cleaning of rifle bores .35 caliber and larger. Ball bearings in the handle let the rod follow the rifling. 35C rod has a 12-28 thread that accepts Dewey Jags and Adapters. Comes with 12-28 to 8-32 tpi adapter and 35J rifle jag. 50 BMG combines a 44" coated section with a stainless steel extension for 62" of cleaning length. A ball bearing handle lets the rod follow the rifling. Specifically designed for use on your 50 BMG. Only the 44", coated section touches your bore; the additional 18" provides additional torque and length to clear oversize actions. Includes 50J, . Mfg: Dewey SPECS: Handles are 1-1/8" (2.9cm) dia. x 2-7/8" (7.3cm) long. All rods fit .35 caliber and larger. 35CF-36 rod 36" (91cm) long, 35CF-44 rod (111cm) long. BMG Cleaning Rod - 62" (157.5cm) length.