Seymour Duncan 11202-52-B Five-Two Strat SSL-52 Classic Stratocaster Pickup Set (Black)The Five Two classic Stratocaster pickup was originally designed for Nashville studio players who wanted to soften the treble attack on their high strings while retaining all of the articulate snap on the low strings. The solution was a mixture of Alnico 5 and Alnico 2 rod magnets that delivers the best of both worlds. The Alnico 5s under the low E, A, and D strings keep them sounding clear and crisp while the Alnico 2 rods under the G, B, and E