Multi-directional adjustment: Even on inclined surfaces, users can adjust the height by rotating the three feet of the adapter. The built-in horizontal spirit level can help you adjust the angle and accuracy. micro-knobs allow the user to make 360rotational adjustments clockwise or counter-clockwise.The X-axis knob and the X-axis knob Y axis help users to adjust the horizontal position forward, backward, left and right Angle and height adjustment function: Users can adjust the height by rotating the three legs of the adapter. The adjustable height range is 1 cm. The built-in horizontal bubble finder can help. These designs can help you adjust the position of the laser tool on uneven or sloping ground. DURABLE AND USER-FRIENDLY DESIGN: This adapter is made of sturdy aluminum material, which can withstand abrasion and site impacts. And it has thicker and stronger metal bearings, it won't wobble under heavy loads and is more stable. The soft rubber on each knob is designed to prevent slipping when turned. Three tapered legs for a variety of workplaces. Durable DesignThis adapter has a durable design to withstand heavy loads and withstand wear and knocks in the field. Wide range of applications: The adapter can be connected to any class 8/12 laser line device. Three rotary knobs for adjustment: The micro knob allows the user 360 adjustment.