... bows of the violin family as well as black mare and stallion,horse hairoften used in bass bows. Although this hair ... as strings of musical instruments. We supply bow hair in the color of natural white, black and mixed.Color: White, black, mixedSpecification ... and Measurement: inch 24",25",26",27",28",29",30",31",32",33",34",35",36",37"up violin bow hair