Models C-Beam Linear Rail 97 3375 4 V-Slot 20x80 Linear Rail 84 1703 2 V-Slot 20x60 Linear Rail 72 1584 1 V-Slot 20x40 Linear Rail 92 2962 0 V-Slot 20x20 Linear Rail 81 1882 3 V-Slot 40x40 Linear Rail 73 1881 4