Takes all the fun out of it....
Midway has them for $9.95 but shipping jumps it up.
I bought a new one from Graf for $8.95 when I ordered brass and slugs for the 8x57.
It was a Lyman that won't thread in. It's supposed to work according to the Lyman web site.

I am the way, the truth, and the life: no one comes to the Father but by me. John 14:6