The Trend C013 x 1/4 TCT Two Flute Cutter has the following specification:

Cutting Diameter: 9.5mm (3/8in)
Cutting Depth: 19.1mm (3/4in)
Shank Diameter: 1/4in

The Trend CraftPro Cutter with two flute carbide TCT tips for cleaner cutting edges and fast clearance of waste in all timber and timber-based materials. With a bottom cut feature. The PTFE coating minimises heat and resin build-up for increased cutter performance and longevity.
The 1/4in shank for easy control in smaller routers with ‘K’ mark shank to ensure safe working practices.
Suitable for a wide range of applications such as engraving, grooving, rebating and shallow morticing.
Use on softwoods, hardwoods, MDF, plywood and chipboard.