Shank diameter: 12MM or 1/2 inch

Packing:blister card package

1)Straight Bit Dia.=6mm

2)Dovetail bits:Dia.=12.7mm

3)Straight bits :Dia.=12mm

4)Flush trim bits:Dia.=12.7mm

5)Rounding over bits:R6.3mm

6)Cove bits:R6.3mm