Suitable for a wide range of applications such as engraving grooving rebating and shallow mortising. Use on softwoods hardwoods MDF plywood and chipboard. Cutter has a bottom cut feature. Specifications: • Shank Diameter: 1/4 • Dia Metric: 21 • Dia Imperial: 53/64 • Cut Length Metric: 19.1 • Cut Length Imperial: 3/4 • Overall Length Metric: 60