Bubble Level with 1/4″ or 3/8″ tripod screw The level with a screw (1/4″ or 3/8″) on the level mounting surface. *Patent Number: P7403796It can be attached to the extended threaded hole on the cage of the camera.You will never have to search for or lose your level. Features Ink Over The red line is … Continue reading Bubble Level with tripod screw