1,360�� ADJUSTMENT: Micro knobs allow users to make 360�� rotatable adjustment, and X knob and Y knob can be used to adjust the horizontal position while working. 2,WITH LEVEL BUBBLE: Users can also adjust the height by rotating the 3 legs of the adapter on inclined surfaces, and the built in horizontal bubble can help adjust the angle and accuracy. 3,STANDARD THREAD: The 1 or 4in male thread is suitable for mounting any type of tool with a size of 1 or 4in, and the 5 or 8in threaded bracket can be attached to a tripod or other tools for use. 4,HIGH LOAD BEARING: The base of the level has a large load bearing capacity of 20KG, which can withstand the wear and impact of the work site, and is suitable for more situations. 5,APPLICABLE MODELS: Suitable for Huepar, for 622CG or R, for 621CG or R, for 8211G, for 8300G, for 902CG, for 901CG, for 9011G, for 9211G or R, for GF360G or R, for Box?1G or R and other laser leveling.