Product Description :
Surveying Reflector Reflective Prism with Tilting and Swiveling Holder, GPR1 Replacement Compatible with Leica Swiss Style Total Station, Copper Coated Film
Prism constant:0mm (When you use it to Leica Swiss Type total station. the prism constant is 0 mm)
Effective diameter:65mm
Connect Diameter: 12mm hole
Including Soft Bag