Hybrid String - Poly & Synthetic Gut - Pro Shot Racquet Restringing

Yonex Poly Tour Pro 17/1.20 Tennis String (Blue)

Yonex Poly Tour Pro 17/1.20 Tennis String Reel (Yellow)

Strings (tennis) - Wikipedia

An Expert Guide to the Best Tennis Racquet Strings

Re-stringing Service

What String Tension Should I Use in My Tennis Racket?

The Best Soft Polyester Strings You Need To Try

The Original Hybrids

Snap back is from the Main. So, why is Gut the main in hybrid?

10 Best Tennis Strings: Reviews & Buyer's Guide

What are the best strings and tensions for each tennis player? - Epirus London

Playing with Low String Tensions