The simple, places, screw holes 1/4 to 1/4 in.-20 male male conversion screw at the top of the singururoddokuranpu-20 is visible. Also on other two screw holes, including the meter 3 * Screw Holes 1 4/-20 will be shipped. For that reason, accessories and installation with male & female 1/4 in.-20 in.
Adjustable red butterfly nut M4 x screws to securely lock your roddokuranpu to make with spring load, so it is simple to adjust the direction the easy.