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 NewItem Type: Laser Pointer BracketMaterial: Aluminum AlloyFitness: For Celestron, Sky-watcher, Vixen, etcAperture: 1/4 Standard Camera Thread HoleSize: Approx. 20 * 29 * 42mm / 0.8 * 1.1 * 1.7inchWeight: Approx. 161g / 5.7ozPackage List:1 * Laser Pointer Bracket1 * Fixing Ring