- Guides you on when to replace strings, helping you maintain performance and avoid unexpected breakages. - Durable ABS string tension gauge for rackets, delivering accurate readings over a long service life. - Space-saving, compact and lightweight design is ideal for outdoor use and easy to carry to the court or field; measure tension anywhere you play. - Sleek craftsmanship enables quick and easy verification of your racket string tension. - Compatibility: designed for use with standard sports rackets and strings. Use scenarios - Before a match on outdoor courts (tennis, badminton, or similar) to confirm string tension matches your preferred specs for optimal feel and control. - During stringing or maintenance at home or in a shop to verify tension after installation or restringing. - By coaches on the sidelines during practice to quickly check and compare racket tension across players, enabling on-the-spot adjustments.