I totally understand this

My typewriter is a war era Remington Rand KMC.

I use a Lamy AlStar at work for writing by hand.

My pencils are Palamino Blackwing 602s.

My phone is a Western ELectric model 500.

I saw with a Disston and Son.  No plural.

So, I totally understand the appeal of the Rolls Royce of chalk.