The puller is suitable only for occasional use (no tool steel) but also fulfilled its purpose. It is important that the fine thread of the crank and the puller before use should be completely clean. Lightly greasing no harm. The pressure pin as far back turn so that the fine threaded sleeve can be screwed to the stop. Then turn the pressure pin with a wrench or ratchet, nut carefully on voltage. As a rule, the cranks of the first resistance are glued and bigger. After that crank is easy abnehmen.Wer in dealing with Werkzueg are untrained should go to the specialist. The thread of the crank can quickly over sein.Ich would again order as Price Capacity for occasional use are sufficient.