What alloy do Seymour Duncan use on their humbucker screw poles?

[Rex_Rocker]

Will these work without any detriment to the sound in a Duncan pickup?

 

[idsnowdog]

Will these work without any detriment to the sound in a Duncan pickup?

I believe those are correct although I prefer the short pole pieces from Mojotone. AddictionFX doesn't carry the short poles.