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