Butterfly Ping Pong Sapphire Table Ping Racquet Butterfly will be necessary during recreational and social games with friends. The model is the best choice. for beginners player in. Multi-layer construction with Addoy lining and backing thickness 1.7 millimeters is extremely durable. Technology Ergo Grip i.e. ergonomic the shape of the handle fits securely in the hand allowing the maximum transfer of force strikes. The QR code in the bottom part of the handle is proof of the racquet's authenticity. Data technical:· handle: Concave (concave)· speed: 50/100· rotation: 50/100· control: 100/100· rubber: 1.7 mm· lining : ADDOY ***· certificate: ITTF