Fast Boot X - Combo - 6 Pack - Inboard/Outboard for AT and UT with extended suspension axles as found on Polaris RZR's, Can Am Mavericks, and many other off road vehicles., Fits both inner and outer joints on both front and rear axles for coverage, Made from premium quality rubber in the USA, Each kit includes a fast boot X, stainless steel clamps, CV grease, and detailed instructions