NEW Butterfly Petr Korbel Blade Table tennis Ping pongUp for sale is 1 (One) Butterfly Blade Model name : Butterfly Petr Korbel (AN, FL, ST) Petr Korbel Ideal for variable offensive play combining hard and direct attacks with sensative spin strokes in a wide range. 5 ply. Named after and used by the #1 Czech player, Petr Korbel and used by many top North American players. If you want to develop a consistent offensive game, but are unsure which blade to use, you can't go wrong with the Limba outer plied