ITEM NAME:Car Truck Tire Tyre Changer Bead Clamp Drop Center Rim Rim Hunter Universal Car Truck Tire Tyre Changer Bead Clamp Drop Center Rim Rim Hunter Universal a.imagelink a:hover.imagelink {color:#000000;.The plunger on this tool is spring loaded so once installed will stay in place while mounting the tire, and you can adjust it with hands by little efforts. This tire changer bead clamp is an useful tool for mounting and demounting tires, and it is a direct use tool for easy operation.