?The ASTROX 77 Pro is the successor to the original ASTROX 77 with new materials such as Flex Fuse located at the throat which helps with shock absorption and provides a softer feel. The elongated Namd shaft provides more flex to improve smashing performance. ?Balance: Head Heavy Flex: Medium ?Weight/Grip: 3U(85-89g) G4 / 4U(80-84g) G5 ?Recommended String Tension: 3U: 21-29lbs / 4U: 20-28lbs ?CD Coded, made in Japan, Full Cover Included, Comes Unstrung Experience the quality and performance that sets our products apart. Elevate your game with our high-quality products designed for athletes and enthusiasts. Discover the difference that premium materials and expert craftsmanship can make in your athletic pursuits.