SEYMOUR DUNCAN (Seymour Duncan) SPB-4 Steve Harris P-Bass Purchased new this month. Installed, but I believe it's in excellent condition. Please ask if you have any questions. Bass Pickup Precision Bass Pickup Precision Bass Pickup The following is quoted from the website: Features Signature model of IRON MAIDEN bassist [Steve Harris]. The low-mids are boosted, adding presence to the bass sound. Specs ■ Bass Pickup ■ For Precision Bass ■ Steve Harris Signature Model