HFS (R Bearing Race and Seal Driver Set Easily install tapered bearing races and seals without damaging the housing or components. Use the tapered side to install the races, then flip it over to install the seals. The set includes a driver handle with bolt, and 9 common sizes (listed below). Each driver has the size imprinted on it in MM. Machined from aluminum so races and seals won't be damaged by harder metal. Includes blow-molded case. 1.57" - 40mm ----- 1.73" - 44mm ----- 1.97" - 50mm ----- 2.32" - 59mm ----- 2.480" - 63mm 2.56" - 65mm ----- 2.83" - 72mm ----- 2.99" - 76mm ----- 3.19" - 81mm