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 allows for superior flexibility minimalizing wear and tear especially when the vehicle is on full lock. Can be fitted to trilobal/tripod joints, follow the simple step by step instructions below. Can be fitted using the conventional cone method. Alternatively the boot can be stretched using either of our innovative tools, Duragun or Duralec, which will enable the job to be fully completed in only 20 minutes, a fraction of the conventional time.