TYPE M 500 M4212 MODEL 100, 1 HALF BORED 28.6MM Model 200 HUB 270H5 - 50 D HYTREL 270 INSERT INSERT FOR MODEL 200 COUPLING MATERIAL : M270H5 - 50 D HYTREL (BLUE-GREEN) Model 800 Alpena Mich LIGHT WEIGHT Rubber for Coupling Model 900 RM M 170 N M182602B M300-02808 370N M 500 21220 M 500 12414 M570U9-90 A, coupling M100-02006 M100-10408 M170-H5