■ Pickup for Music Man Type Bass ■ With Ears ■ For 4 Strings ■ Dual Coil Humbucker ■ Magnet: Alnico 5 ■ String Spacing: 19mm ■ Dimensions: Approximately 101.6 x 48.13 mm ■ From the manufacturer's website: The MM4.2 is a complete reproduction of the vintage Music Man pickup, which has been loved by many enthusiasts for many years. It can be said that it was made with a thorough commitment, using the same materials, the same magnets, and the same manufacturing method. As a result, whether installed in a new instrument or heard from an old Stingray, you can get that unique sound, and its excellence is already recognized by many people. Nordstrand Humbucking Music Man Stingray Ernie Ball Ken Smith