10 Piece Bearing Driver Set installs bearings and seals without damage. 9 collars fit most bearing sizes. Machined aluminum drivers. Organized storage case. This set is a "no-brainer" for anyone installing bearings and seals in wheel hubs, engines and suspension components. Bearing and seal set has 9 drivers and a driver handle to help you easily replace bearings without damaging the bearing or housing. Collars fit most wheel bearing sizes, and they're all organized so you can find what you need easily. 1.555" (39.5 mm). 1.752" (44.5 mm). 1.969" (50 mm). 2.323" (59 mm). 2.480" (63 mm). 2.559" (65 mm). 2.835" (72 mm). 2.992" (76 mm). 3.189" (81mm). Drive Handle. Storage Case.