This system demounts tubeless truck tires with less hassle and no bead damage. Remove both the top and bottom bead from one side, no need to lift tire and turn it over. Made of tough cast ductile iron for strength and durability. Handles all tubeless truck tires from 16.5" to 24.5" diameter. Rim protector will not damage aluminum or painted wheels. System contains three tools: top bead tool, bottom bead tool and a rim protector, plus instructions. Weighs 32 lbs.