For door and window construction decorative panelling and many other joinery applications. Designed for 44mm timber thicknesses. Specifications: • Shank Diameter: 1/4 • Dia Metric: 31 • Cut Length Metric: 13 • Overall Length Metric: 56 • Bearing Dia Metric: 12.7 • Type or Grade: Scribe • Radius 1 Metric: 17