Check the listing for details. Brownell Nylon #4 Nock & Peep Serving Thread Choice of Color Archery Bowstring. Condition: New. Listed at 7.49 USD. Up for bid is new spools of Brownell #4 nylon serving material in your choice of color. It is a great general purpose serving thread and works wonderful for peep sights and nock points.We will gladly combine shipping on multiple items. To do so you must request total from seller before paying. From there we can send an invoice with combined shipping charges. Once an item is paid for we cannot combine. Please be sure to check out our other archery and string making related items in our ebay store. inkfrog terapeak i000000Up for bid is new spools of Brownell #4 nylon serving material in your choice of color. It is a great general purpose serving thread and works wonderful for peep sights and nock points.We will gladly combine shipping on multiple items. To do so you must request total from seller before paying. From there we can send an invoice with combined shipping charges. Once an item is paid for we cannot combine. Please be sure to check out our other archery and string making related items in our ebay store. inkfrog terapeak i000000