1 piece of Leica GRZ101S 360° Prism Held by two Metal Pieces One with a 1/4inch female thread One with a 1/4inch male thread 8′ round bubble level Fixed to a metal base 430cm Aluminiun alloy rods These rods can be applied to both GRZ101 and GMP111 system A hook-end for replacement Atteach it to the rods so the prism can be hung from top surface.
