Petr Korbel FL BladeIf 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 Petr Korbel blade that can do it all. 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 Petr Korbel blade that can do it all. Class: OFF Plies: 5W Weight: 91g~ Blade Thickness: 5. 9 Blade Size: 158x152mm FL Handle Size: 100x25mm