This practical accessory features fine adjustment of for positioning. With the micro knob, user can make a 360 ° rotation clockwise or counterclockwise. The X- knob and the Y- knob help user adjust the horizontal position , left and right. Features - Color: Black and silver. - Size: 10.00X10.00X9.00cm/3.93X3.93X3.54 inch. - Material: Aluminum alloy, plastic. - aluminum material can prevent oxidation and rust, metal bearings make it more stable and . - 3-way flexible knob provide 360 degree rotation , allows you to rotate at any angle horizontally and vertically. - You can adjust horizontal position through the X rotary knob and Y rotary knob, reduce errors and improve your work efficiency. - The built-in bubble view level can help you adjust the angle and accuracy to provide maximum results for professional measuring and normal usage. - The excellent workmanship of our product will bring you a . Package list: 1 x Level Gauge Base