Firstlaw Fitness Joist Mount 200 - Heavy Punching Bag Hanger - For Heavy Bags From 120 LBS to 200 LBS - Made in the USA GREAT ECONOMICAL WAY TO MOUNT YOUR HEAVY PUNCHING BAG TO AN OPEN FLOOR JOIST DESIGNED FOR HEAVY PUNCHING BAGS FROM 120 LBS UP TO 200 LBS EASILY AND SECURLY MOUNTS TO THE SIDE OF AN OPEN FLOOR JOIST BUILT IN COMPRESSION SYSTEM REDUCES NOISE AND VIBRATION 100% MADE IN THE USA - LIFETIME WARRANTY