Neilsen Spreader Wheel Bearing Housing Strut Spreader Universal Insert Tool It's designed for separate the suspension strut from wheel bearing housing.The internal expansion of the tool is powered by screws and its operating principle is similars to that of a mechanical jack. Parallel pressure surfaces prevent tool from accidentally jumping out or slipping off. Its large spreading range from 5.0 to 11.5mm use for almost all vehicles. External hexagon 17mm. How to use: insert the head into the gap to be expanded, fix the separator in the middle with a spanner and turn the end with an Allen key.
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