Andrzey Grubba ALL+ FLThe Butterfly Andrzej Grubba is a flexible blade named after one of the world's most dynamic players. It is ideal for topspin, short chops, blocks, smashes, i. e. every technique needed for the modern all around game. Has a nice, compact head size. A Classic Allround Blade Style: All Round Reaction: 9. 7 Vibration: 7. 9 The Andrzej Grubba is a flexible blade named after one of the world's most dynamic players. Ideal for topspin, short chops, blocks,