VX Support rail 48 x 26 mm, for W: 600 mm, Support Rail 48 x 26 mm for VX, VX SE, PC, IW, AX, Carbon steel, Zinc-plated, Assembly components, 73269098, 2 pc(s), 6.208 lbs, 4028177919518, For heavy installed equipment such as transformers. The T-head screw and longitudinal slots in the support rail accommodate all mounting dimensions.