The 20-piece puller set with sliding hammer 224-178 is used for the centric removal of bearings, gears, and discs in all common sizes for crafts, workshops, and industry. When tightening the clamping cone, the puller jaws are automatically centered. By operating the clamping cone, the desired spread can be set. In addition, the puller jaws can be pre-tensioned using the cone to prevent possible slipping. Usable as both an external puller and internal extractor by simply reversing the puller jaws and the clamping cone. The various sizes of puller jaws allow for universal application possibilities. The sliding hammer guarantees contactless and gentle extraction when no support surface is present.