101-01+102-01: Nylon male coupling set. To be used in combination with the universal insets 106-01 up to 106-30. With this set it is possible to move the shaft in axial direction. Suitable for electric motors and I/C engines up to 2,5 cc. Very strong Nylon. 106-40: These cardan style universal joint couplings are suitable for electric motors and I/C engines up to 2,5 cc. Made of very strong nylon. The 26 splines make a very strong non-slip connection. Please use 106-30 to make a double coupling. (v) = Packed Serie.