manufacturers :Wilkinsoncompany Using range :JAZZ BASS The bridge is made by an OEM factory in China under Trev Wilkinson license, belongs to "m series", Feature Fits most JB style electric bass, like Fender/Squier Jazz Bass or similar bass. Neck/ Bridge position Genuine Wilkinson parts. Neck 56mm, bridge 58mm pole spacing, wax potted Classic tone with our new Var-Gauss technology: Bass frequencies keep their deep growl while the treble sounds are smoother but still defined Magnet: Ceramic. D.C. Resistance: Neck 8.55K, Bridge 9.35K. Two conductor wires, black wire is ground, white/red wire is hot Note: Our screws maybe will not fit your usage, please use your own if you can Package Includes 2 Pcs Pickups Free Shipping - Allow 30 days CALIFORNIA PROPOSITION 65 WARNING WARNING: Cancer and Reproductive Harm - arnings.ca.gov.