BeadBuster XB-550 HD Tractor Tire, OTR, Heavy Duty Bead Breaker Tool Manually operated, use with a impact wrench or ratchet. Heavy Duty, works on LARGE tires (Farm Tractors, OTR, etc). Patented design quickly and easily breaks stubborn beads. Rugged all-Steel construction, Grade-5 Zinc coated hardware. Made in USA. Padded clamp will not dent or scratch rims.