ONCRUX Gym Chalk Blocks - Weight Lifting Chalk Block - Workout Chalk for Weightlifting - Hand Chalk for Gymnastics Rock Climbing Chalk 8x2oz Blocks1LBONCRUX 1LB Chalk Blocks 8 2 oz chalk blocks for superior grip performance during workouts and sports like gymnastics, rock climbing and weightlifting.Features of ONCRUX Gym Chalk Blocks - Weight Lifti..