Atemi 4000 Balsa Concave 17204 Table Tennis Racket ATEMI 4000 BALSA CONCAVE TABLE TENNIS RACKET A racket designed for professionals, providing amazing speed and control. Made of the best materials: 7-layer plywood with BALSA spacers 2.2 mm thick sponge offensive lining (Atemi IPPON). ITTF certified. On a scale of 1-10: Speed: 9.8 Rotation: 9.8 Control: 8.3 BBS (Best Balance System) A system that provides excellent ball feel. The hollow space in the handle reduces the racket's weight and shifts the center of gravity further away from the handle, allowing for faster acceleration without losing ball feel. Material: Wood