Composition: Full Graphite, Weight - 5U, Grip size - G5, Tension: 20 - 31 lbs, Shape: Isometric. Isometric technology continues to help the world’s greatest players achieve global success. Super Slim Shaft: The slimmest racquet ever produced by YONEX vastly reduces air resistance whilst providing maximum feel. The extra stiff profile provides a solid stable feel on impact with the shuttle. The Control-Assist Bumper attached at the top contains T-Anchor, micro-sized tetrapods that help lock in vertical strings for improved accuracy. Yonex Arcsaber 73 Light Badminton Racket is designed for those beginners and intermediates who want the fast speed and high repulsion for smash and rallies.Super Slim Shaft Reduced Air Resistance The slimmest racquet ever produced by YONEX vastly reduces air resistance whilst providing maximum feel.