DESIGN: Fused composition of plated fiberglass and aluminum delivers superb playability Larger Head Size For Improved Sweet spot R Beam Technology for improved swing Double Hole Technology for improved power and control SPECS: HEADSIZE: 105" / 677 cm2 LENGTH: 27.5" / 69.9 cm STRUNG WEIGHT: 10.8 oz / 305 g STRUNG BALANCE: 34.5 cm / 1 pt HL STRING PATTERN: 16 x 19 CROSS SECTION: 24.5-10 mm OB GRIP: 1 - 4