Chalk | Improves Grip | Thrower X Shot Put 12 Pounds 26 kg / 16 lb):

26 kg / 16 lb): Standard for NCAA and open competition

High School Boys (5 kg / 12 lb): Official NFHS weight for high school boys

It demands strong rotational speed and excellent technique and is designed for national level throwers

The S8 is for athletes who have locked in their mechanics and are generating real rotational speed

Chalk | Improves Grip | Thrower X Shot Put 12 Pounds 26 kg / 16 lb):Athletic Gym Chalk Premium Magnesium Carbonate Chalk for athletics delivers exceptional performance for throwers, lifters, and all serious athletes. Crafted from high quality, pigment free magnesium carbonate. Each box contains eight 2 ounce blocks Designed to exceed expectations, our throwing and workout chalk provides a reliable non slip grip on implements, bars, and equipment; keeping you confident and in control. Why Athletes Use Gym Chalk