Sadowsky J-Style Bass Pickup Bridge, 4-string version, position: bridge, stacked coil pickup, hum-cancelling / noise-cancelling, shielded 2-conductor cable, DC resistance: 18.8 kOhms, Alnico V magnet, open pole pieces, mounting dimensions (L x W): 95.20 x 18.20 mm / 3.75" x 0.73", passive, black soft touch cover