Firstlaw Fitness Spider Mount 200 - Heavy Punching Bag Hanger - for Heavy Bags from 120 LBS to 200 LBS - Made in The USA 360 DEGREE SPHERICAL MOTION PROVIDES THE BEST NOISE AND VIBRATION DAMPENING YOU CAN BUY DESIGNED FOR HEAVY PUNCHING BAGS FROM 120 LBS UP TO 200 LBS EASILY MOUNTS TO DRYWALL OR OPEN FLOOR JOIST - 12" OR 16" CENTER TO CENTER BUILT IN BEARINGS PROVIDES SMOOTH SWIVEL AT CONNECTING LINK 100% MADE IN THE USA - LIFETIME WARRANTY