Seymour Duncan STK-S4s Classic Stack Plus Strat Bridge 3 Pickup Neck/Mid/Bridge Set, Black STK-S4s Classic Stack Plus Strat 3 Pickup Set, Black Includes STK-S4n (neck, STK-S4m (middle) and STK-S4b (bridge) Hum-cancelling Design, Single Coil Size Three-conductor Hookup Cable 21 Day Real World Exchange