The GPR1 circular prism is a prism solution or reflective target intended for surveying use. It is suitable for land surveying, construction surveying, infrastructure construction, and other geodetic tasks where a detectable target for a measuring device is required. The product can be attached to a compatible pole, holder, or adapter depending on the application. Before use, it is advisable to check the measuring device's compatibility, prism constant, and the mounting method to be used. A correctly chosen prism facilitates daily surveying work and keeps the prism assembly organized. The product is suitable for both continuous professional use and as an addition to existing equipment or as a spare part. Before ordering, it is recommended to check the technical specifications and the prism model required for the task.