Fully compatible with leading manufacturers such as Sokkia, Trimble, Pentax, Nikon, etc. Precision glass up to 2 arc seconds with 0/-30mm offset tilting prism assembly Built-in peep sight for easy setup Prism canister and holder/target molded from durable lightweight polycarbonate, with metal yoke Single tilt holder tilts to 360 degrees 5?8-11 bayonet adapter Padded Carrying Case (Included)