QA pickups are hand wound in the USA here at QA Guitars. Each QA pickup is hand wound using only the finest components. All ;Stinger models use black pole pieces. Limited  Edition pickups and sets are usually and limited and sets are in most cases never duplicated so no two sets are the same. Artistically and sonically balanced these pickups will make you sound fantastic. Not only do they sound absolutely fantastic they are truly a work of art!