This double ribbed ovolo style is an alternative to the rounding over cutter. If the cutter is lowered a top quirk can be produced. Specifications: • Shank Diameter: 1/4 • Dia Metric: 34.7 • Cut Length Metric: 17.5 • Cut Length Imperial: 11/16 • Overall Length Metric: 69 • Bearing Dia Metric: 9.5 • Bearing Dia Imperial: 3/8 • Radius 1 Metric: 5.5 • Radius 2 Metric: 5.5