O-Zgedney™ Wedge-Lok 3-1/2 inch Clip Cover made of grayloy-iron. Smooth, rounded integral bushings in hubs protect conductor insulation. Accurately tapped, tapered threads for tight, rigid joints and excellent ground continuity. Wedge-Lok™ Form-IN-Place covers with integral gasket are approved for use in wet locations. Grayloy-iron bodies with cast covers and gasket are approved for use in wet locations. Unique Wedge-Lok™ clip cover design allows easy removal at any later time, without damaging the conduit body.