Vintage Style P-Bass Pickup Set - Flush Pole AlNiCo 5 Magnets - Handcrafted Lacquer Dipped Bobbins - American Standard Pole Spacing - 50s/60s Style Heavy FormVar #42 Magnet Wire - Hand Wound to Vintage Specs with a Medium-light Scatter - 10.8K Ohms (+/- 3% @ 68 Degrees F) - Lightly Potted in Black Wax - Aged Cloth Leads - Black Pickup Covers & Mounting Screws Included. Sound wise. the pickups have that classic warm but punchy tone normally associated with vintage early 1960s P-basses. The FormVar versions tend to be a little warmer in tone with more complex harmonics verses the Plain Enamel magnet wire versions which have better high end performance.