Metric hydraulic differential sleeve AB M14x1.5 08L GZ x M12x1.5 GW WaryńskiMetric hydraulic differential sleeve AB M14x1.5 08L GZ x M12x1.5 GW Waryński. The fasteners were designed and manufactured in accordance with applicable standards, which describe in detail the quality and dimensional requirements. They are compatible with fasteners from other renowned power hydraulics manufacturers.