Designed to Install Free-End Clamps - CTA Tools 4240 CV Joint Boot Clamp Set * Also Installs Pre-Formed Clamps on CV Joint Boots * Use with 1/2-Inch Hex Drive or T-Handle * 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