Head Boom MP L Alternate 2026 Tennis Racquet 275g (Ready to Go)This item has already been pre strung from the manufacturer with synthetic string. Weight (unstrung) 275 g 9. 7 oz String Pattern 16 19 Head Size 645 cm 100 in Balance 325 mm 0. 7 in HL Length 685 mm 27. 0 in Beam 24 mm Purple is Coco Gauffs favourite colour, and the tonal purple design of the BOOM MP L ALTERNATE delivers a striking, progressive look that perfectly matches its explosive feel. A lighter and more powerful version of the BOOM ALTERNATE