CONSTRUCTION High tenacity Technora aramid fibers twisted with high tenacity co-polymer outerwraps and four strands of durable Kevlar fibers. FEATURES A composite thin 18 guage string that packs exceptional durability with added resiliency. The outer spiral wrap of Kevlar fibers is designed to provide superior spin control and extend the string life. COLORS Natural. T71040 TECHNORA NRT 18 18G/1.10mm t71040Regular price: $16.00Sale price: $8.00, 5/$34.00 Thanks for visiting our online store. We are highly faithful to our high quality products, and present it in supersized pictures(click for larger one). Also, we guarantee to handle your order and question within same business day!