Description:Sturdy material: The bass pickups are made of ABS housing, which is wearable, eco-friendly, ensuring a long service life. Easy assembly: The bass guitar pickups are easy to install with screws, not taking much labor, suitable for both students, beginners, musicians, etc. Noiseless: The P-bass pickups remove any unwanted feedback and noise, ensuring a better sound quality. Precision: The bass pickups feature precise production, easily fitting 4-string basses without modifications. Replacement: The bass pickups are perfect choices to replace the broken parts, making your bass perform better in practice, rehearsal, concerts, etc. Specification:Material: ABS. Output: 2 Conductors.Color: Black.Pole Pieces: 4 Flat Poles.Pole Spacing: Approx. 28.5mm/1.12 inch. Resistance: 8.7K. Note:There might be a few color distortions due to different computer resolutions. There might be a slight error due to different hand measurements. Package Includes:2 Pieces Bass Pick-ups (with 2 Pieces Sponge Mats, 4 Pieces Screws).