Yonex has added a durable frame that provides stability and improves performance. Materials like graphite and aluminium have been used to make these racquets. The head shape of the racquets is isometric which creates a good angle for the placement of the shots. Yonex Nanoray D1 features a durable frame that provides stability and improves performance, while the extra cushioned grip provides superior comfort and the perspiration layer doesn't allow your hands to sweat. The grip size is G4 which provides good grip on the racquets. This allows you play more freely and hit smashes with more power. The frame is made up of aluminium and the shaft is made up of graphite.