Explosionproof dust-ignitionproof, raintightMalleable iron bodies have high tensile strength and ductility, provides great resistance to corrosion, impact and shockAccurately tapped, tapered hub threads for tight, rigid joints and ground continuityMultiple hubs permit flexibilityComplies with a wide range of classified area requirementsCorrosion-resistantFor pulling of wiresConnect conduit lengths and change direction of conduit runsProvide access for maintenanceInternally threaded aluminum bodies with externally threaded aluminum form one covers, has seven hubs - two on each of the sides, one on the top, one on the bottom and one on the center in the back