All Hoppe's Pistol and Rifle Cleaning Rods have a ball bearing swivel handle designed to follow the rifling of the bore and make turning easier when cleaning. P22 - Pistol-Knob Ends, 3PU/3PA22 - Three-piece Rifle-Knob & Slotted Ends, SGU - Three-piece Shotgun, Aluminum-Slotted Ends, 1PA22/1PA30/1PS17 - One-piece Rifle-Knob & Slotted Ends