Professional quality chisel and bit set, Imperial 5/8″ size with a 13/16″ chisel shank for mounting into the hollow chisel morticer. Auger bit with a point on the end, one cutting spur and a single spiral for rapid chip clearance. Finely ground chisel with a slight taper to allow easy withdrawal from the mortice. Easy to sharpen single spur auger design which cuts evenly and fast. Our trade range of chisels are manufactured in Taiwan, to a very high specification in both the accuracy of the machining and the hardness of the steel. Charnwood MCTB5 Specification; Chisel Size 5/8”, Maximum Cutting Depth 85mm, Chisel Shank Diameter 13/16”, Auger Shank Diameter 12mm, Auger Length 225mm