Engineered for strength and reliability, this duct spacer base from Cal Am Manufacturing is an essential component for pipe and conduit installations. Measuring 4 x 1-1/2 inches, this interlocking design features both vertical and horizontal arrangements, facilitating quick and secure assembly in the field. Crafted from high impact polymers, these spacers are incredibly durable, making them suitable for both encased and direct burial applications, and they can effortlessly support substantial loads. This versatility ensures that whether you're working on a construction project or a utility installation, you can depend on the durability and reliability of these spacers.