10pc Bushing Bearing Race and Seal Install Driver Set Kit 1.565" to 3.180" Use for installation of tapered bearing races and seals without damage to the component or housing. The tapered side of the driver is used to install races.It's simple; just invert the driver to the flat side to install seals. Aluminum Inserts This great set includes the following: driver handle with bolt, plus these tool sizes: 1.565", 1.750", 1.965", 2.325", 2.470", 2.555", 2.830", 2.995" and 3.180". (Metric equivalent size: 39.5mm; 59mm; 72mm; 44.5mm; 63mm; 76mm; 50mm; 65mm; 81mm)