C4-K1.8R100 C4-K1.8R-100 C4-K1.8R-100M C4-K1.8R-101 C4-K1.8R-101M C4-K1.8R-120 C4-K1.8R-120M C4-K1.8R-121 C4-K1.8R-121M C4-K1.8R-150