Strong and durable construction: made of 45 steel and hardened by a quenching process to deliver strength, good rigidity, wear resistance, and a long service life. Complete kit for broad compatibility: includes 18 bearing pullers, 3 tie rods, 1 multifunction disk, 1 rod, 3 hooks, 2 gaskets, and other accessories. One set is sufficient for use and can fit a wide range of bearing specifications. Multiple sizes for versatile use: six bearing pullers with different sizes to remove bearings of various shapes and sizes to meet daily dismantling needs. performance and torque capacity: the thickened and stiffened workpiece provides torque, is hard and resistant to breakage, and enables large pulling forces to remove a wide range of tight and stuck bearings. Use scenarios: Automotive and motorcycle maintenance: remove and install wheel bearings and other pressfit bearings on hubs and shafts. Industrial equipment : disassemble bearings on shafts, pulleys, gears, and other machinery components. Home workshop and lawn equipment maintenance: service bearings on lawn mowers, generators, and other small to mid sized machinery.