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.  

• Multifilament nylon end serving.
• Excellent for tying in peeps.
• .021 diameter. Brownell's twisted nylon bow string serving material has become the standard of string builders everywhere.
• Made of #4 size Nylon in .021" diameter.
• Measures approximately 100 yards a 1 ounce spool
• The colour is not pictured. It is a camo of a few colours; brown, green etc