Universal Din Rail Clip SnapFull size is 42*50mm(1.65*1.97inch), and the hole space is 20mm(0.78inch). It is compatible with standard din rail dimensions and can be installed as long as they are matched. Package IncludesPackage includes 2Pcs DIN rail clips and 4 x M3 screws, they are suitable for mounting switch/injector/media device to DIN rail. Easy to UseGrip the clip onto both sides of the din rail, no tools needed. Easy to remove by pushing the bottom of the clip outwards. High Quality MetalThe rack clip are made of thickened metal, which is stronger and has high bearing capacity, durable to use, the installation is firm and not easy to fall. 100% SATISFACTION SERVICEWe take fully responsibility for the product quality and service, incompatibility can be returned for any time.