If you decide to change the type of chalk, there is no need to buy another chalk holder. Simply insert the appropriate adapter. 
Included with this chalk holder:
    - TAOM adapter
    - ROKU adapter
    - Predator Pure adapter
    - Predator 1080 adapter
    - Gorst "Ghost" or Hola Champion
    - Cube Chalk adapter
    - Base with Neodymium N52 magnet (18lb pull force)
    - Belt clip with Neodymium N52 magnet (18lb pull force)
    - Carrying bag
    - Compact lid that expands or retracts depending on the type of chalk
This chalk holder is made out of high quality black and red PETG material, ensuring durability and longevity. It features a screw-on lid and a matching magnetic belt clip, with the base and clip each housing a Neodymium N52 magnet (both magnets combine for 36lb pull force) for an exceptionally strong bond. Effortlessly accommodate various chalk types with the included adapters for TAOM, ROKU, Predator Pure, Predator 1080, Gorst and Cube—simply unscrew the adapter from the magnetic base for a seamless switch. The lid expands to the larger cube chalks. Enhance your game with precision and convenience by securing your cue chalk with this innovative, high-quality chalk holder. The magnets are strong enough to use through several layers of clothing. Carrying bag included.
Replacement parts can be found here: https://www.etsy.com/listing/4455111175/universal-cue-chalk-holder-replacement
Chalk not included. US Patent Pending