Thank you. I hope to acquire both types of razors shortly.For Injectors, you basically want yellow package Schick blades made in China, AKA "Chick" blades. They are excellent and widely available.
View attachment 1083166
For GEM style razors, you can buy Personna GEM coated blades. They cost around $25 for 100.
View attachment 1083167
Both kinds of blades will last longer than DE blades and - while this is subjective - they are also better overall IMO.