10pc. Violin/Cigar Box Guitar Rod Piezo Acoustic Pickup with Center Lead Shorter, flatter rod piezo with center lead designed for use on violins Violin-specific plastic mounting bracket and screws included Great acoustic pickup sound, great for cigar box guitars! Includes a 9-inch shielded unterminated lead (no plug at the end, just bare wires) Intended for 4-string instruments, also will work with 3-strings.