The Lyman's mechanical trigger pull gauge is designed for precision and durability, featuring a robust construction of machined aluminum and steel components. It provides an accurate measurement of your firearm's trigger pull weight, ranging from 0 to 12 lb in 2 oz increments. The gauge is equipped with a rolling trigger shoe and a comfortable T-handle for ease of use, while a sliding indicator captures the highest measurement for reliable readings. A zero-adjustment wheel allows for precise calibration, and a convenient hanging loop offers easy storage. This tool ensures your firearm is finely tuned for optimal performance. Measures trigger pull accurately from 0 lb - 12 lb Increments of 2 oz provide precise measurements during testing Maximum pull weight achieved is indicated by the highest weight alert Made with aluminum and steel to ensure durability and long-lasting performance The T-handle and hanging loop offer practical storage solutions