Range of ApplicationFits maximum dia 38mm, minimum 5mm laser pointer, compatible with different types of laser pointer.Finderscope Bracket Comes with 1/4 standard camera thread hole, suitable for most telescopes, like Celestron, Sky-watcher, Vixen. Quality MaterialsLaser Pointer Bracket Made of high quality aluminum alloy material, this product is sturdy and durable.With this holder, you dont need to replace it with another mount, it will meet most of your daily photographic needs. Exquisite CraftsmanshipAll-metal precision CNC process, fine workmanship and professional design.The holes are precisely positioned and are ideal for use on location and for indoor photography. Simple and PracticalThis portable universal photography accessory holder is easy to install and easy to use, a great choice for astronomical telescope lovers. Size:The width of the upper bottom is 20mm, the width of the bottom is 29mm, and the length is 42mm. Package Included:1pcs* Adjustable Pointer Bracket