Asymmetrical metric hydraulic tee BBA M26x1.5 18L (XEVL) WaryńskiAsymmetrical metric hydraulic tee BBA M26x1.5 18L (XEVL) 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.