The 1700-B fixed l-bar monitoring prism is ideal for surveying locations where a permanent mounting is needed. Use on flat surface for temporary use, or securely attach the L-bar prism to a wall or structure for long term use, in any weather- ideal for deformation and mining surveys.

• Ideal for surveying locations where a permanent mounting is needed
• 25mm copper-coated prism which is water and dust proof, 0mm offset
• Assembly made of black anodized aluminum, 10.3mm ID mounting hole