Package of KiQUNA Z61 spiral fishing line, 0.61mm diameter, made in Japan, with high elasticity and power, featuring a red braided design.
Black package of Kiwana Z61 Spiral tennis string, 0.61mm, with yellow highlights and Japanese text, indicating high-elasticity and power, made in Japan.
Pack of Kiruna Z61 spiral tennis strings with black and gold packaging, made in Japan, 0.61mm diameter, 10 meters length, depicting a yellow and black graphic of the string, with labels indicating softness, medium hardness, and high elasticity and po
Black packaging for Kizuna Z61 Spiral badminton string with product details in English and Japanese, a QR code, and a yellow label indicating Made in Japan.
Spool of Ki ITUNA Z61 snural high-elasticity tennis string with black and yellow label, Japanese origin, 0.61mm diameter.
Red and black braided badminton string spool with black and yellow label featuring Japanese and English text.
Spool of Kiruna Z61 tennis string, 0.61mm, labeled as high-elasticity and power, with Japanese quality, in a round clear plastic container.
Spiral badminton string spool with a black label, white and yellow accents, and information about the string's specifications and origin.
Spool of high-elasticity tennis string with black and yellow label, featuring Japanese characters, a flashlight image, and specifications for 0.61mm diameter.
Spiral badminton string coil in clear plastic packaging with black, yellow, and white label featuring product information.

Z61 Spiral

Precision Meets Power. Enhanced with Teflon Fiber

Crafted in Japan, Z61 is a rare fusion of ultra-thin gauge and crisp, solid hitting feel — delivering a performance few strings can match.

At just 0.61mm, Z61 offers explosive repulsion and lightning-quick shuttle response, while maintaining sharp feedback and pinpoint control.

Reinforced with Teflon fiber, Z61 delivers enhanced durability and improved feel, giving players a more consistent, responsive experience — even under the demands of high-level play.

Designed for advanced players and string enthusiasts who demand both precision and performance, Z61 elevates your game with every shot.

Key Features:

  • Ultra-thin 0.61mm gauge for fast, lively play

  • Crisp, solid hitting feel — rare among ultra-thin strings

  • Teflon fiber reinforced for enhanced durability and improved feel

  • Superior repulsion and precise control

  • Crafted in Japan with premium materials

  • “Z61 is the best string I have ever Played”

    Jason