The low cost solution to leaky, gasketless port covers. These 0.33” thick forged steel shipping plates are zinc plated for resistance to oxidation. They also incorporate an o-ring grove on one side for “Zero Pressure” applications. The other side has a machined flat-face for capping off hose ends. Applications include: Cylinder port covers, pump port covers, Stub-out header line covers, maintenance work and Great for painting protection.