Measure the datum point or correcting points accurately with the AdirPro Monitoring Prism Sheet with Magnetic Target. With a 360-degree rotation, this prism has a smooth and stable movement due to the integrated metal and PVC material washers. This AdirPro monitoring prism has a sheet size of 47 x 47 mm, a measuring range of up to 984 feet (300m), and a prism constant of 0 mm. Using a strong magnetic material, it can be attached to any metal structure without causing damage. Please note that the prism sticker might not adhere to textured or oily surfaces.
Type of Material Item is constructed: Ferrite Magnet