Techno industries manufactures tackler brand monorail trolleys with 0.5 to 25 t capacities. These trolleys are available with salient features like heavy section rolled steel trolley frame plates rigidly hold together by ms spacers and bolts; graded cast iron wheels mounted on ball bearings; and shafts and axles accurately cut by machine from carbon steel and properly supported. These monorail trolleys are suitable for running on i-beam flanges and are available with electrically butt-wielded hand chains accurately calibrated to fit easily in graded casting made hand chain wheel sprockets as per is-210.