Vintage Set of 4 "Fingertip" Smooth Pins for Hand Knitting 7" Gauge 10

"Aluminium Alloy Lightweight Knitting Pins"
4 of them
"Featherweight. Tapered Points.  WILL NOT SOIL OR CHIP. Smooth. RIGID"
Everything you could want from a knitting needle.
They are 7" long, gauge 10.
And come in little fold over paper packets.

Manufactured by AVIATION PRODUCTS CO, Montreal Canada.
Presumably for pilots that knit.