YTEX Quadro Twist 16L Set Color:Black The durability benefits of the

The durability benefits of the Silicon Pyrogene Lubritec additive are complemented with lasting feel and comfort

4 1/2 (size 4) grip

A solid choice for players who appreciate classic feel and performance

this string is not a natural gut but definitely the best alternative without breaking your bank

This string is a very soft co-polyester and easy on the arm like most of YTEX co-polys

YTEX Quadro Twist 16L Set Color:Black The durability benefits of theIf you are looking for a very SOFT co poly and a SPIN Monster then this string is for you! This is the best tennis string on the market you can get besides natural gut! Racquet Stringers Industry rated the Quadro #1 in spin and #2 overall out of 157 strings they playtested