Seymour Duncan Quarter Pound PJ Bass Pickup SetTogether these Quarter Pound bass pickups provide a sonically full voice with a hold on to your hats high output punch. Each strike of the string provides a full low end bite with plenty of sustain. Theyve provided their unique punch for bass players from Blink 182, Alien Ant Farm, Rise Against, Bad Religion and Smashing Pumpkins. Players who have a P J bass will now be able to get the rich tone of the Quarter Pound pickups with our P J 4 String Bass