WISTAR PK1314K1A00 Laptop Keyboard for Lenovo LdeaPad Flex 2 15 B50 B50-30 B50-45 B50-70 B50-80 B51-80 G50 G50-30 G50-45 G50-70 G50-70m G50-80 Z50 Laptop with Frame US T6G1-US 25214785