CTA Tools A579 Windshield Removal Tool is designed to remove windshields by cutting the butyl adhesive caulking compound. For servicing GM and Chrysler vehicles. The tool features a special handle for extra leverage and a tempered steel blade. Heavy-duty construction allows for strength and durability. Whether tuning up your "68 Corvette or changing the oil on a John Deere tractor, CTA can supply you with the tools needed to do the job.