KMRBG、KM90RBG、KM45RBG : 旋转连接器
KMRBG 10、KMRBG 12、KMRBG 16、KMRBG 22、KMRBG 28、KMRBG 36、KMRBG 42、
KMRBG 54
KM90RBG 10、KM90RBG 12、KM90RBG 16、KM90RBG 22、KM90RBG 28、KM90RBG 36、
KM90RBG 42、KM90RBG 54
KM45RBG 10、KM45RBG 12、KM45RBG 16、KM45RBG 22、KM45RBG 28、KM45RBG 36、
KM45RBG 42、KM45RBG 54