Seymour Duncan SLS-1 RwRp Lipstick Tube Strat middle pickup Alnico 6 Magnets The SLS-1 utilizes an Alnico 6 magnet and special winding spec that produces a bright and jangly tone Lipstick Tube Pickup for Stratocaster Guitars Reverse-Wound, Reverse-Polarity (RWRP) Middle Pickup Nickel Cover