Usage Tips:Features:brand and high qualityThe P Bass Humbucker Pickups fit for 4 String PB Bass Guitar, Squier Affinity PJ for JB style electric and punchy for JB sound.Covers are made of ABS material, ceramic magnet, durable to use, sealed humbucker are triple wax dipped and vacuum sealed.Classic Tone with Var-Gauss Technology: Bass frequencies keep their deep growl while the treble sounds are smoother but still defined, the prewired harness with 250K pots, to be smooth out the highs.Each Double Coil Pickups Size: 70x27x14mm/2.76x1.06x0.55in, total weight: 130g/4.59ounces, Color: black, Pole pieces: 4 flat pole piece.Package Includes: 2 P Bass pickups with 2pcs potentiometers, 3 washers, 4 nuts, 4 Springs and screws. Specifications:Material: Metal+ABSColor: The Picture ShowsPackage Weight: approx.130gSize: The Picture Shows Note:Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes:2 x Prewired P Bass Humbucker Pickups with 2 Pots and 1 Jack3 x Washers4 x Nuts4 x Springs and Screws