Solinco Unreleased 4.0 - Set

Solinco Unreleased 4.0 string

Updated version of the also Unreleased Solinco Confidential 3.0 string - in light blue color (available at the website also). 

Shaped string with 5 sides. Consistent and great durability while having amazing feeling, spin and snapback.

 Available in 1.20MM and 1.25MM

Price for 1 Single Set

Just released in March/2025 as Solinco MACH-10