There have been similar questions back then. But it is not yet distributed or widely used.
Since the composition is the same as in H301, and the P series are cheaper variants of higher blades from DHS or others, such as PG6X is Viscaria/Timo Boll, PG5X is HL5X, PG5 is HL5, PG7 is 506 or HL3, I...