Professional tool for commercial or occasional use. Master set allows you to build your own custom bushing driver. Manufactured from chrome vanadium steel and treated for strength and durability. Black powder coated finish to prevent rust and corrosion. Simply select the required sizes and assemble your driver tool. This kit makes it very easy to insert wheel bearing races and seals with out damage to the race and axle housing. Also useful for driving small bushes etc... Fits most standard bushing/wheel bearings, turn the discs over to drive seals. Suitable for cars / motorbikes or anything that has bearings or seals. For easily replacing wheel bearing races without damaging race or axle housing. Collars to fit most wheel bearing sizes. Turn discs over to drive seals. Sizes fit most drive shaft seals etc... Extra long handle 220mm so your hands are away from the work to prevent accidents or damage to yourself. SET Includes; 1 x disc connector 12mm x 40mm 1 x handle 12mm x 220mm 1 x driver connector screw 1 x 3mm hex key (for quick and easy changing) 49 discs 18mm 65mm and 74mm. Sizes step in 1mm increments. The set includes sizes 18mm, 19mm, 20mm, 21mm, 22mm, 23mm, 24mm, 25mm, 26mm, 27mm, 28mm, 29mm, 30mm, 31mm, 32mm, 33mm, 34mm, 35mm, 36mm, 37mm, 38mm, 39mm, 40mm, 41mm, 42mm, 43mm, 44mm, 45mm, 46mm, 47mm, 48mm, 49mm, 50mm, 51mm, 52mm, 53mm, 54mm, 55mm, 56mm, 57mm, 58mm, 59mm, 60mm, 61mm, 62mm, 63mm, 64mm, 65mm and 74mm. Supplied in a blow molded case for easy storage and transportation