Trend Craft Pro Dovetail Cutters are designed for use with commercial dovetailing and stair housing jigs. They are also used to produce sliding and lapped dovetails, through dovetails and end on dovetails. Suitable for use on natural timbers and man-made boards. The Trend C041A x 1/4 TCT Dovetail has the following specification Cutter Angle 104 Cutting Diameter 12.7mm (1/2in) Cutting Depth 12.7mm (1/2in) Overall Length 60.5mm Shank Diameter 1/4in