Caliber & Length: Designed for .17 to .20 caliber bores with a 26-inch working length.Thread Size: Threaded with 5-40 female threads for compatible accessories.Material: Carbon fiber shaft is stiffer than steel, will not bend permanently, and flexes back to straight if bent.Bore Protection: Will not scratch the bore like bare steel or embed abrasive particles like coated rods.Ball-Bearing Handle: Ergonomic handle spins smoothly on two sets of ball bearings to follow rifle rifling under pressure.Shank-Through Design: Includes a hang hole that also permits gentle hammer taps to push tight patches through
