This is a single Nordstrand Pickups NJ55b (rear/Bridge) pickup for 5-string bass guitars, a standard for high-end pickups. I recently purchased this as part of a set from an authorized dealer, but I'm selling this bridge pickup because I'm using a different position. It is new, unused, and has never been connected to power. • Model Name: NJ55b (NJ5 5-string Bridge) • Position: Rear (Bridge) • Size: 3.73 inches (approx. 94.7mm) *Standard rear size for 5-string basses • Condition: New, unused (lead wires are uncut and full length) • Tone: Based on the 60s jazz bass sound, it reproduces the Low-B string of a 5-string bass clearly and powerfully. 【Notes on Size】 This is the **3.73 inch (approx. 94.7mm)** size. It fits the rear position of a 5-string bass. *This is NOT the 3.6 inch (approx. 91.4mm) size for the front position, so please be sure to check the routing dimensions of your bass before purchasing. The pickup and screws will be placed in the original box and shipped in a Yu-Packet Plus dedicated box.