The Lyman Trigger Pull Gauge is designed to be the fastest and most accurate Trigger Pull Gauge available on the market. Unlike other gauges, there are no weights or sliding pointers to contend with. Simply place the gauge on the trigger and pull! This instrument will accurately record the results, as you can take multiple readings and then take the average weight for the string at the touch of a button! This state of the art instrument is a must for any shooter or gunsmith! 0-12 lb range, 1/10oz accuracy, large digital LCD display.