Pro Impact Heavy Duty Boxing Kickboxing Muay Thai Heavy Bag Hanger Chain Free turning, solid steel swivel, and zinc galvanized. Recommended for boxing mma heavybags over 80lbs and below 200 Lbs Zinc galvanized Size: 24" long, Chain and swivel measures 24 inches long and clips to your mount of choice Strong chain for your most intense cardio and strength building training sessions Perfect for boxing, MMA, Muay Thai, or any of your favorite contact sports heavybag training