The Redstick 1800mm Box Level offers best-in-class readability, frame durability and magnet strength. Metal constructed back frame is stronger and durable enough to withstand durable industrial use. SHARPSITE vial technology and magnified bubble offers excellent readability while absorbing impact. It gives results up to 0.029 degree and 0.0005 inch/inch accuracy. Amplified rare earth magnet firmly holds on to the surface allowing for easy usage. Overmolded, non-slip grips stick to wall and easily overcomes sliding. Measuring surface is precision milled to achieve accurate results in all working positions. The wide handles are durable and offers great comfort as well as portability. The end caps are removable and protects the frame while working in confined spaces. Vial system offers high visibility and are easy to clean.