L-Bar Prism. A monitoring prism mounted in a metal holder. Supplied with an L bar for fixed installations. Offset depends on the mounting position. IR range:2000m. This professional-grade product is designed for use in surveying, geospatial, and construction applications. It meets the high standards required for accurate and reliable field measurements. Suitable for professional surveyors, engineers, and construction teams who demand quality and performance from their equipment. Compatible with leading industry instruments and accessories.