Simple to use and install, this great little product is compatible with numerous 1" ball mount systems. Designed to be compact and discrete, the Twist and Turn won't take up a lot of space but will provide a world of mounting possibilities.
Included are the following male threaded screws:
M10 x 1.25 x 20mm
M10 x 1.25 x 40mm
M8 x 1.25 x 20mm
M8 x 1.25 x 40mm