Horse tail hair at the length of 24" up is mainly used as strings of musical instruments. Horse tail hair at the length of 24" up is mainly used 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