The Thomas & Betts E977NDCCTN is a 1/2-inch non-metallic conduit clamp designed specifically for securing electrical conduit to masonry surfaces. Made from durable nylon, this saddle-style clamp provides a strong, corrosion-resistant hold for conduit runs on brick, concrete, or block walls. Sold in a convenient 12-pack, these clamps are part of the trusted Carlon line of wire management products, ensuring reliable performance in commercial and industrial electrical installations. Their simple, one-piece design allows for quick and easy installation, organizing and protecting conduit in demanding masonry environments.