This ‘roughing’ trimmer leaves an overhang of 3mm for secondary final trim. Specifications: • Shank Diameter: 8 mm • Dia Metric: 12.7 • Dia Imperial: 1/2 • Cut Length Metric: 25.4 • Cut Length Imperial: 1 • Overall Length Metric: 80 • Bearing Dia Metric: 19.1 • Rebate Metric: 3 • Angle: 90