Correct that is a standard L type injector. The price is high, because it is sealed NOS. You can find many very nice Injectors in the $20 range.
Originally Posted by superbleu
The Twin Injector blades consist of two thinner blades, stacked one on top of the other, and held together with some kind of glue. It was an attempt for Schick to compete with the then new Gillette Trac II. Schick even sold double bladed DE blades for a time in the early 1970's.
I think this is a novelty at best, and not in any way superior to shaving with a single edged standard injector blade.
The standard Typle L injector pictured will also accept standard Single Edge Injector blades.
~~JOHN~~*Founding member of ALPHA Team*