Manufactured from high quality neoprene the Duraboot� is resistant to: Oil & grease, Abrasion, Grit, Extremes of temperature, Tear and impact damage. The design of the boot coupled with the high quality neoprene allows for superior flexibility minimalizing wear and tear. Fitted without the need to remove the ball joint, this eliminates the need to re-track the vehicle after installation. Kit comes complete with the fitting cone.