Specification Brand : Tecnifibre BulletPoint1 : String Construction: Monofilament BulletPoint2 : Material: polyester BulletPoint3 : 12 m string set BulletPoint4 : Durability Rating: 8 BulletPoint5 : A set of tennis string contains a 40 foot continuous string, enough to string one racquet. A reel of tennis string has 600ft (200m) of string, enough to string a racquet 16 to 18 times. Color : yellow Department : unisex-adult ExternallyAssignedProductIdentifier : 3324921795607 ExternallyAssignedProductIdentifier1 : 3490150120487 ExternallyAssignedProductIdentifier2 : 03490150120487 ExternallyAssignedProductIdentifier3 : 00847586005490 FitType : Regular GpsrSafetyAttestation : 1 ImportDesignation : Made in the USA IncludedComponents : Babolat RPM Blast Rough Tennis String (16G Yellow) ItemName : Tecnifibre Black Code (18-1.18mm) Tennis String Set ItemPackageDimensions_Height : 1.6 centimeters ItemPackageDimensions_Length : 20.8 centimeters ItemPackageDimensions_Width : 14 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : tennis-racket-string Manufacturer : Technifibre Material : Plastic ModelName : Babolat RPM Blast Rough Tennis String (16G Yellow) ModelNumber : TFg503 NumberOfBoxes : 1 NumberOfItems : 1 PackageLevel : unit PartNumber : 116550-1,18 mm Pattern : Solid ProductDescription : Tecnifibre Black Code is Tecnifibre's first geometric string offering durability and increased spin. Utilizing a co-polyester core, this string possesses excellent durability with greatly enhanced tension maintenance and feel. Black Code 16 features a pentagonal profile, helpful for generating more spin as the string bites into the ball better. The string uses Tecnifibre's exclusive ThermoCore technology which serves two primary purposes. String to string friction is greatly reduce, enhancing durability and further promoting spin and ease of stringing. The ThermoCore technology also gives the string greater flexibility for more power and a softer feel. An excellent choice from all areas of the court with enhanced spin, good power, and a softer feel.