Killark MC2X1B - Red anodized back-nut with hand grip tightening mechanism for ease of installation. 360° stainless steel reusable ground spring. Allows for Hawke Express & CELOX 's self-mixing two part epoxy resin for fast curing barrier seal to reduce cable installation time. Patent pending damming solution for superior barrier seal. Copper-free aluminum construction for harsh and corrosive atmospheres. New design allows for Type 3, 4X, 6 ratings along with IP66 and IPx8 protection. For use with armored and unarmored cable types. Traditional hand-mix putty epoxy comes standard The new MC2X series is designed exclusively for jacketed interlocked, continuously corrugated welded armor and unarmored cable and acts as barrier for hazardous locations. This series now offers a simple to use Hawke Express and CELOX resin compound to provide a fast curing barrier. It prevents the spread of explosive gases and flame propagation. This series is equipped with a 360° armor grounding spring that is reusable. Robust threads and world class seal enables easy installation with minimal torque required. It is made from strong copper-free aluminum for caustic environments and is rated for Type 4X, 6 and IP66 and IPX8 protection for various harsh & hazardous environments.