Made from K9 optical glass, ensuring excellent clarity and durability for various optical applications. Precisely crafted with a shape tolerance of ±0.1mm and an angle error of ±3', making it ideal for scientific experiments and optical setups. devised to deflect light at a 90° angle, providing effective image/beam offset for enhanced optical performance. Resistant to mild chemicals and U-V radiation, making it suitable for long-term use in diverse environments. Compact dimensions of 40x40x40mm, perfect for laboratory use, educational purposes, and optical demonstrations.