This vintage pair of brass harp string gauges from 1911 by Lyon & Healy & Wurlitzer is a rare and valuable find for harp enthusiasts. Specifically designed for tuning harp strings, these gauges are made of durable brass material. Perfect for musicians looking to enhance the sound quality and tone of their harp, these gauges are a unique and timeless addition to any collection. Feel free to ask any questions. Good luck bidding and most of all have fun!!