C6-K1.8L-6R8 C6-K1.8L-6R8N C6-K1.8L-820M C6-K1.8L8R2M C6-K1.8L-8R2N C6-K1.8LE220J C6-K1.8LEJ220 C6-K-220 C6-K3AL C6-K3L