Huepar has a team of professional engineers and designers. Constantly promote and provide products and services for high-end markets, pursuing technological innovation and quality commitment. ✔️POSITIONING DEVICE FOR LINE LASERS: The bracket with 1/4"-20 male thread, the maximum depth from the 1/4''-20 thread to the back of the bracket is 9cm. It is compatible with cross line laser levels with 1/4" female thread. If your laser level has a 5/8" female thread, please purchase the conversion screw adapter AD5/8 separately. ✔️MULTI-FUNCTIONAL AUXILIARY SPRING BACK CLIP: A separate spring back clip included in the kit is compatible with most magnetic bases at the market, increasing the adsorption force of the magnets and stability. The Back Clip offers the ability to mount to any object up to 5cm thick. The opening size of the clip can be adjusted by the fine-tuning knob. A nail hole in the clip enables to be fixed firmly on the wall. ✔️MULTI-DIRECTIONAL FINE-TUNING BRACKET: There are four fine adjusting knobs on the bracket, help to adjust the left and right position within 0.8cm, the back and forth position within 5.5cm, the height within 9.5 cm, and the horizontal rotation 360°. An added locking knob enables to fix the working height and avoid from sliding up and down. The graduations are marked in inches and millimeters for easy readouts. ✔️MULTIPLE INSTALLATION METHODS OF THE BRACKET: 1/4"-20 and 5/8"-11 female thread makes it possible to be attached to a tripod or laser pole. With the strong magnets, the bracket can be attached to the back clip at any height or other metal surfaces. Slots for screws, nails, raceways, ropes, steel sheet or optional straps are designed to make the installation much firmer. Huepar PV11+ Positioning Bracket is ideal for any job site. ✔️HUEPAR DEDICATED LASER WINDOW ADAPTER: A dedicated adapter included helps to hang the laser tool, bringing the laser window closer to the wall. At this time, the bracket can be inverted or flipped sideways. Due to the special design of the groove, Huepar PV11+ adapter is only suitable for certain models: Huepar S02CG, S03CG/S03CG-L, S03DG/S03DG-L, S04CG/S04CG-L, P02CG, P03CG, P04CG