DF3D6.8MS,LF DF3D6.8MS,LF(A DF3D6.8MSLF DF3D-6P-2H(20) DF3D-6P-2H(21) DF3D-6P-2H(50) DF3D-6P-2V(20) DF3D-6P-2V(50) DF3D6UFV DF3D-7P-2H(20)