These risers are manufactured specifically for Fanuc R-2000iA, R-2000iB, R-2000iC, M-900iA, or M-900iB series robot models and come pre-drilled with the precise Fanuc robot series mounting bolt hole pattern. These robot risers come in base plate, 300mm, 600mm, 900mm, 1000mm, 1200mm, 1300mm, or 1500mm. Manufactured to NAAMS Standards, the rises are constructed using 1-1/2″ thick AR Steel for the base with pre-drilled mounting holes, 5/8″ thick wall 36″ diameter tube and topped with 1-1/2″ steel plate pre-drilled for the robot mounting bolt pattern.