Whether you’re a power lifter or a gymnast, the ETHOS Block Chalk is sure to improve your grip on your weights or bars. Strength System Product Features 2 Magnesium Carbonate Blocks Improves grip, reduces friction and overall performance Great for power and strength training, gymnastics or rock climbing Country of Origin : United States of America DSG Pro Tips Brand : ETHOS Web ID: 19AU6UTHSBLCKCHLKEAC SKU: 20284316