PLM Stem emerged from the auto-blocker Müller concept. Benefits from 20 years of clinical long-term effects. Three-dimensional Press-fit ensuring an excellent metaphyseal anchor. Grooving of the entire stem ensuring rotational restraint. Distal Cone-shaped allowing to avoid diaphyseal contact to limit post-operative pain. Polybrillant thinned neck without extraction hole to minimize the polyethylene wear in case of neck/polyethylene contact.