Size: 12 x 7.5CM, can be rotated 360 degrees arbitrarily, supports fixed screws. Applicable occasions: suitable for the positioning of laser modules, laser modules and related products with a diameter of 16mm. Others: All are detachable components, which can be modified at will. Advantages: Sometimes it is necessary to locate some light sources and products. It is inconvenient to hold or place it at will, and it is easier to make wrong judgments. This clamp is mainly used for precise positioning. The three joints can be adjusted manually(no tools required) and can be rotated 360 degrees freely. Easy to use, save time and effort. Specification:16mm Not included laser module. Colour:Black Material:aluminum alloy Package Contents: 1 * Laser-Positioning Bracket Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.