The SW-Stahl 11606L internal puller set is a professional-grade tool designed for the efficient and damage-free removal of internal ball bearings, bearing rings, bushings, and oil seals. Constructed from durable Chrome Vanadium Steel, this comprehensive set includes four spreading sleeves covering specific sizes from 10-14 mm, 15-19 mm, 20-24 mm, and 25-30 mm. It comes complete with a counter support and a robust slide hammer, making it an essential tool for professional use in workshops and industrial applications.