Ashaway Synthetic Gut 16/1.30 String

This synthetic gut is an excellent choice as a cross string in a hybrid with a Kevlar or a tough Polyester. But by far the most popular combination is

ASHAWAY SYNTHETIC GUT 16 TENNIS STRING 1.30MM 16G - 200M REEL - WITH FREE TOWEL

Head Synthetic Gut 200m Tennis String Reel - Yellow

Ashaway Synthetic Gut 17/1.25 String

A solid core is now all you need for your baseline game. The Head Synthetic Gut 16/1.30 String Reel features a solid core and a soft multifilament

Head Synthetic Gut 16/1.30 String Reel · RacquetDepot

Ashaway Tennis String

Head Synthetic Gut Tennis String Set-16G Black

Prince SynGut Duraflex 16/1.30 660 Reel White

Ashaway Synthetic Gut 17/1.25 String

Volkl Classic Synthetic Gut 16 1.30mm 200M Reel - W & D Strings