Designed to Pull out inner bearings without damaging any of the surrounding parts. Very easy to use, just slide in one of the for Adapters which will fit best and open up the clamps by turning the handle clockwise – connect the slide hammer to the adapter an start to pull out the bearing by sliding the weight backwards, Set includes: Slide Hammer – total length 375 mm, weight 1.44 kg, Sliding weight 915 gram 4x different Adapter (collets): 10 – 14 mm, 15-19 mm, 18-25 mm and 25 – 32 mm capacity.