Brownell #4 Nylon Bow String Serving material is very popular with traditional Bowstring builders. It's twisted nylon construction and .021 diameter size make it the perfect choice. A jig spool contains approximately 100 yards of material. With a low price and great durablity it's no wonder why it's so popular with 60X Custom String's customers. #4 nylon serving is available in 7 colors including black, blue, red, brown, white, yellow and green
