of the cylindrical fishing rod holder 7 into cavity 31 and rotating it until one of the holes 74 coincides with the free end of pin 4 by releasing knob 42 pin 4 is pushed inwardly until the cylindrical fishing rod holder 7 is locked in its position finally in order to finish the assembling and to protect the inner parts of the holder it is also provided that a lid 2 shown in fig4 a 4b closes the sides of plate 1 in a second preferred embodiment shown in fig7 a 7c and 8a 8c there is provided a cylindrical fishing rod holder 8 the upper and lower parts 81 83 of which are no longer rigidly connected to each other the upper part is linked to the lower part so that the inclination of the cylindrical fishing rod holder can be also adjusted according to a vertical plane as can be particularly seen from fig8 a 8c such a link is formed of a coupling of two semicircular racks 84 and 85 provided in the lower 81 and upper 83 parts of the cylindrical fishing rod holder 8 respectively rack 85 can rotate with respect to the fixed rack 84 about a pin 86 which can axially slide in the lower part 81 and engage with its thread a corresponding thread formed in the upper part 83 the axial sliding of pin 86 and.