New Old Stock (NOS); Original Packaging. 

The only guitar string optimized for the humbucking pickup, Gibson Humbucker string utilize a special composite core wire and a specially formulated wrap wire. This design offers a unique magnetic formulation to make the most of dual-coil, high-output pickups. 

The best instruments demand the highest quality strings, and Gibson takes every extra step to ensure that these stings are the world's finest. It's more than using top-grade materials. It's manufacturing our strings under tight quality control standards. This guarantees the perfect match between instrument and string resulting in the true measure of quality - tone, durability and consistency.