Tire Chains Installation Tool Heavy Duty Tool with ratchet binder action for installation and tensioning of large tractor and skidder tire chains. Greatly simplifies and eases the proper installation and tensioning of snow chains. - This tool works great for use as a skidder chain tightener or chain tensioner - Ideal for installing large equipment tire chains - properly tensioned tire chains last longer, ride smoother and wear tire chains more evenly.