HEAD COCO 21SPECIFICATIONS: Technology: Damp+ Weight (unstrung): 180 g 6. 3 oz String pattern: 16 17 Head size: 520 cm 81 in Balance: 255 mm 0. 5 in HL Length: 535 mm 21 in Beam: 20 mm Age: 4 6 With its colorful, vibrant design, the 21 inch COCO 21 TENNIS RACQUET is ideal for kids aged between 4 and 6 who are new to tennis. Named after HEAD ambassador Coco Gauff, this racquet comes with the Damp+ insert, which reduces vibration. To add to the fun, the racquet's