This 10 piece set allows for the easy installation of straight races and seals without damage to bearings or axle housing. This tool fits most standard wheel bearing sizes including 4 x 4 vehicles. Insert sizes include: 1.565 1.750 1.965 2.325 2.470 2.555 2.830 2.995 & 3.180 This set comes with an included carry case for easier storage.