From the Manufacturer
Boxed Set includes 3 quality Carbide-tipped router bits in common metric plywood sizes: 13/64″ (5.2 mm–for 1/4″ undersize), 31/64″ (12.3 mm–for 1/2″ undersize), and 23/32″ (18.2 mm–for 3/4″ undersize). All Bits are 1/2″ shank.
Boxed Set includes 3 quality Carbide-tipped router bits in common metric plywood sizes: 13/64″ (5.2 mm–for 1/4″ undersize), 31/64″ (12.3 mm–for 1/2″ undersize), and 23/32″ (18.2 mm–for 3/4″ undersize). All Bits are 1/2″ shank.