Description Product Description ■ Long stud & insert (TonePros) Tailpiece of the stud, with insert, adopted TonePros made long type. Tail piece part, in order to convey the string vibration directly to the body, is greatly affect parts in tone. ■ Tone Pros ABR-1 style bridge The change in popular TonePros made bridge as vintage ABR-1 replacement. Stability, operability is up, it will tell to direct a string vibration to the body. ■ Memphis Tone Circuit And 500K audio taper (A curve) pot, by the tone circuit that you refine your own, Dynamic range, we have to improve the response.