Omni Single-Sided Adjustable Rail Clip with 2" L-Bar Prism The Omni 3405-100-50-P Single-Sided Adjustable Rail Clip with 2" L-Bar Prism is a precision monitoring solution designed for rail, deformation, and structural monitoring applications. Manufactured from aircraft-quality stainless steel , this rugged assembly delivers exceptional durability and long-term stability in harsh outdoor environments. The adjustable mounting pin allows for accurate positioning directly on the rail, supporting repeatable measurements in demanding monitoring workflows. The included 25.4 mm silver-coated prism is ground to 2 arc seconds for high-precision targeting and reliable total station performance over long distances. Its three-hole, 45° spaced mounting configuration improves positioning flexibility and measurement accuracy, while the integrated L-bracket design simplifies installation on a variety of monitoring setups and infrastructure projects. Key Features • Adjustable single-sided rail clip with integrated 2" L-Bar prism assembly • Constructed from aircraft-quality stainless steel for long-term durability • 25.4 mm silver-coated prism ground to 2 arc seconds for precise measurements • Three-hole 45° rotation design improves positioning flexibility and monitoring accuracy • Maximum operating distance of 2000 m (7000 ft) under normal conditions Ideal For Ideal for railway construction, rail alignment monitoring, deformation analysis, and long-term infrastructure observation projects. Its durable stainless steel construction and stable prism positioning make it well suited for bridge, tunnel, transit, and other high-precision monitoring applications in demanding field environments.