Prost Universal 3/8"screw 3-feet 3-leg Tripod Monopod Support Stand Base for Camera Camcorder An universal design mini tripod feet which support any monopod with 3/8" UNC screw. Now Benro issue new monopod with fluid head combo. If you had already get a Benro monopod before, you may take this optional part ST1 to help your monopod to stand alone as a tripod! Convenient and stable! Camera, self-timer preferred! It is also compatible with any other brand monopod which get a 3/8" screw! Folds up make it east to carry! Light weight and low price!