[Three Rotating Knobs for Adjustment] - Flexible 3-way knob provides 360 degree panoramic rotation, allows you to rotate at any angle horizontally and vertically. [1/4" Top & 5/8" Bottom Thread] - 1/4" thread is suitable for installing any type of tool with a size of 1/4". The bottom has a 5/8" thread, a 5/8" threaded mount that can be attached to a tripod or other tool for use. [Stability] - The adapter can be used even on inclined surfaces. The built-in bubble sight level can help you adjust the angle and accuracy to provide maximum results for professional measurements and normal use. [Durable Design] - Durable design, can withstand heavy loads, can withstand wear and impact on the job site, maintain the accuracy level. [Package Includes] - 1 x Laser Level Triple Base. Size: 14x11x11cm / 5.5x4.3x4.3in; Weight: 0.4kg / 0.88LB. The adapter can be connected to any device of the 6 / 12 / 12 / 16 lines laser level.