The Wm. Kratt Co. S-3 Violin Mandolin Tuning Pipe is a high-quality tuning tool designed specifically for violin and mandolin players. This black pitch pipe is perfect for achieving optimal tuning on both instruments, making it an essential accessory for any musician. With the Wm. Kratt Co. brand known for its reliability and durability, this tuning pipe ensures precise and accurate tuning for a smooth and enjoyable playing experience.