Product Description LINQ PUSH GIRDER TROLLEY 3 Ton 110-154mm 110 to 154mm capacity Heavy Duty With protective flange to prevent plain and geared trolley wheel damage in the event of end Beam crash stops Easy and simple mounting Specially profiled trolley wheels to fit a wide range of beams and girders including I-beam and H-beams Optimum wheel size and side plate dimensions for tight turning-radius Capacity:3T