The Wheeler Trigger-Pull Scale is excellent for adjusting triggers, because it ensures accuracy and safe performance. It measures trigger-pull weight from 8 oz. to 8 lbs. Ergonomically shaped handle for consistent direction of pull. Increment markings are easy to read. Indicator stays on maximum weight registered for easy results readings. Measures in 2-oz. increments and is accurate to +/- 2 oz. Made of molded plastic. Imported. 14.5L x 4.5W x 1.3H Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Accessories.