Lyman Electronic Digital Trigger Pull Gauge . To ensure the most accurate readings possible this Gunsmithing Tools brought to you by Lyman will give you an average of up to the last 10 readings to ensure you know the exact pull weight. This Lyman Electronic Digital Trigger Pull Weight Gauge is incredibly simple to use. First and foremost ensure your firearm is completely empty and unloaded. Then press the ready button hook the roller around your trigger and then pull until the trigger releases. You can even switch from ounces to grams at the push of a button to suit your preferences. Get the most accurate trigger pull readings the safest way possible while using the Lyman Electronic Digital LCD Trigger Pull Gauge. Specifications for Lyman Electronic Digital Trigger Pull Gauge: Manufacturer: Lyman Fabric/Material: Aluminum/stainless steel push buttons Additional Features: Measuring Range-1oz - 12lbs / 2.8g - 5.4kg Condition: New Features of Lyman Electronic Digital Trigger Pull Gauge: State of the art strain gauge technology allows for accuracy to 1/10 ounce over a working range of 0 to 12 pounds Works with almost any rifle shotgun or handgun Easy-to-read LCD display Can give you an average of up to the last 10 readings Switch from ounces to grams with the push of a button Works with 2 AAA batteries (not included) Package Contents: Lyman Electronic Digital Trigger Pull Gauge Lyman Electronic Digital Trigger Pull Gauge - 7832248