This siding installation tool is designed for use with 3/8 inch cement siding.<br> [Adjustable] The siding gauge is adjustable in 1/4-inch increments for 4 to 8-inch siding reveals. It accommodates siding widths from 4 inches to 8.25 inches and supports full 12-foot cement board siding lengths.<br> [Material] The main structure is made of heavy-duty plastic. The locking grip is constructed with a non-marring material to help prevent scratching or damaging pre-painted siding.<br> [Efficient] This gauge allows one person to install fiber cement siding, making the installation process easier and more efficient.<br> Color: Green<br> Material: Plastic<br> Package Contents:<br> 2 x Siding mounting block gauges<br> Note: The package includes only the items listed above; other products are not included.<br> Light reflection and differences in display screens may cause slight variations in the color of the item shown in the picture compared to the actual product. Measurement may vary by +/- 1-3 cm.