BM N20-H, si/bl, Sil w/PTFE bg, 40° 3,0 (1xPK)
https://www.manchesterbeacon.org/shop/rw2-702837-bm-n20-h-si-bl-sil-w-ptfe-bg-40deg-30-1xpk-331797
https://www.manchesterbeacon.org/web/image/product.template/331797/image_1920?unique=8b4e79e
This BM is guaranteed a N20-H, with the use of si/bl, and directly supplied Sil to your lab by Gentaur's warehouse.
Terms and Conditions
30-day money-back guarantee
Shipping: 2-3 Business Days