Use the Kreg Precision Miter Gauge System to cut perfect miters. It features a gauge head machined on a computerized milling machine for increased precision. It also has an easy-to-read Vernier scale for precise angle adjustments up to 1/10th of a degree. Five bar adjusters eliminate "play" between the bar and miter slot for a perfect fit. A 24 in. Heavy-Duty Trak section with Swing Stop and self-adhesive measuring tape is included.