1、​Made of high quality aluminum alloy material, this product is sturdy and durable. 2、Fits maximum dia. 38mm, minimum 5mm laser pointer, compatible with different types of laser pointer. 3、Comes with 1/4 standard camera thread hole, suitable for most telescopes, like Celestron, Sky-watcher, Vixen. 4、All-metal precision CNC process, fine workmanship and professional design. 5、Easy to install and use, a great choice for astronomical telescope lovers. This product is made of high quality material. It fits maximum dia. 38mm, minimum 5mm laser pointer, compatible with different types of laser pointer. Easy to install and use, a good choice for you. Features: Made of high quality aluminum alloy material, this product is sturdy and durable. Fits maximum dia. 38mm, minimum 5mm laser pointer, compatible with different types of laser pointer. Comes with 1/4 standard camera thread hole, suitable for most telescopes, like Celestron, Sky-watcher, Vixen. All-metal precision CNC process, fine workmanship and professional design. Easy to install and use, a great choice for astronomical telescope lovers. Specifications: Condition: 100% Brand New Item Type: Laser Pointer Bracket Material: Aluminum Alloy Fitness: For Celestron, Sky-watcher, Vixen, etc Aperture: 1/4 Standard Camera Thread Hole Size: Approx. 20 * 29 * 42mm / 0.8 * 1.1 * 1.7inch Weight: Approx. 161g / 5.7oz Package List: 1 * Laser Pointer Bracket 1 * Fixing Ring