Used for bearing installation. Bearing fitting tool kit for quick; precise and secure installation of bearings and seals without damage to bearings; seals or housing. - Build Series: 71-L - Inside Diameter of bearing: 10mm to 50mm - Outside Diameter of bearing: 26mm to 110mm - Number of Impact Sleeves: 3 - Diameter of Impact Sleeves: 19/32/50mm - Length of Impact Sleeve: 220mm - Number Of Rings: 33 - The correct combination of impact ring and impact sleeve for a ball bearing are found in the table inside the case cover - The axes; bearing casings and gaskets of the bearing will not be damaged - The impact rings have a rubber ring and ensure locking at the strike pipes - With the combination of the impact ring and the impact pipe; the installation forces are never directed through the rolling elements of the bearing - Comes complete with sturdy carrying case.