Seymour Duncan STK-S4N Classic Stack Plus Stratocaster Neck Pickup, BlackThe Seymour Duncan STK S4N Classic Stack Plus neck pickup delivers the chime and sparkle of a vintage Stratocaster single coil, without the nasty 60 cycle hum. So, when youre cranking that tube amp, wax potting and an injection of negative hum via the bottom coil work to clean up unwanted noise and squeal. The STK S4n noiseless Stratocaster pickup slots in the neck position with its sturdy Alnico 5 magnets. This passive pickup comes in a black cover,