With one slight twist, the HKS Speed Loader instantly leads all six cartridges into nearly any revolver. Strong metal points hold cartridges securely in the loader until you release them into the revolver with a turn of the speed loader knob.With one slight twist, the HKS Speed Loader instantly leads all six cartridges into nearly any revolver. Strong metal points hold cartridges securely in the loader until you release them into the revolver with a turn of the speed loader knob. Features: Fit medium size case Loads cartridges into revolver instantly Super-fast, super-dependable This particular model actually work best with cartridge jiggle