Dual Rail Mandolin Pickguard Loaded Prewired Pickup A500k B500k Potentiometer (Yellow) Features: Made of metal, plastic and magnet, sturdy and durable, ensure a long time use. Simple and nice appearance, good decoration and replacement for your mandolin. High-output, low-noise pickup, brings pure, warm and natural sound. Wired mandolin guitar pickguard with a dual rail pickup, A500k B500k pot, convenient for you e. Mirror surface pickguard, exquisite craftsmanship, suitable for mandolin. Specifications: Condition: Material: Metal + Plastic + Magnet Weight: Approx. 150g / 5.3oz Optional Color: White, Black, Yellow, Beige, Silver Tone Control Potentiometer: A500K Volume Adjustment Potentiometer: B500K Output Jack Size: Approx. 6.35mm / 0.3in(Inner Diameter), 17mm / 0.7in(Outer Diameter) Pickup Size: Approx. 71 * 19mm / 2.8 * 0.7in Pickguard Size: Approx. 150 * 132 * 45mm / 5.9 * 5.2 * 1.8in   Package list:  1 * Wired Mandolin Pickguard