These are new CZ P-10F 19 round magazine. Standard magazine base fits perfect on most CZ P10F models in 9mm. Will also work in P-10C but extends past the grip. Steel body coated in an anti-friction coating. CZ OEM magazines with CZ markings just like your factory original mags. CZ Logo and caliber markings on the front. Magazine shows individual round count on back. These will work with CZ P10F models (Also works with P-10C and P-09, but will extend past the bottom of the frame on P-10C).