Black Diamond Non-Refillable Chalk Shot Strengthen your grip when rock climbing with the Black Diamond Non-Refillable Chalk Shot. Filled with Magnesium Carbonate, this chalk shot smoothly squeezes down to your hands without over drying it. Even in the hottest or the most humid of days, it easily absorbs the sweating in your palms to prevent you from slipping off. Now, you can have a tight adhesion and grip while you re climbing. The chalk shot comes in a non-refillable 50 g pack so you can get the right amount of chalk you desire rather than wastefully over-chalking it. It also minimizes the release of chalk dust into the air, which keeps everything around you much cleaner and less irritating. Whether you are bouldering or just wall climbing, the Black Diamond Non-Refillable Chalk Shot gives you the right amount of chalk you need to improve your climbing performance.