Aguilar 5JHCCLSET Jazz Bass Hum-Cancelling Pickup SetNoise free, classic Jazz Bass tone in a pickup that works great for all playing styles. Featuring our split coil design, these pickups deliver a deep low end, rich midrange character, and clear articulation all with no hum! Specifications 4J HC Wire: 42 gauge, Formvar wire Magnets: Alnico V Leads: Single conductor, heat resistant Teflon coated 5J HC and 5J HC CL Wire: 44 gauge, polyester nylon wire Magnets: Alnico V Leads: Single conductor, heat