The Forestry Suppliers Plastic Tree Caliper is an essential tool for anyone who needs quick, accurate measurements of tree diameter in the field. Built with rugged, lightweight plastic, this pocket-size caliper measures trees up to 7 inches (15 cm) in diameter, making it ideal for forestry professionals, arborists, landscapers, and researchers. Its dual-scale design features both English (0–7 inches with 1/4 inch graduations) and Metric (0–15 cm with 1 cm graduations) measurements, so you'll always get reliable data whether you're collecting field notes, conducting surveys, or checking nursery stock sizes. Compact and easy to use, this tool fits comfortably in your gear or pocket for fast measurements on the go.