Close up view of the adjustable mechanism. Many people use plastic or steel or esd fibre trays or tote boxes or Eurocontainers or XL boxes or plastic storage trays. Trolleys can be made to suit the different widthes of box but this trolley allows some flexibility in that the angle supports can be adjusted horizontally to allow different widths of electronic fixture jigs or tote boxes to be stored in the same trolley and then changed as necessary if the box width or jig width changes. In order to have a fully flexible manufacturing storage solution surely it is desirable to be able to just change the pitches of the supports when necessary rather than buy a whole new trolley? Adjustable width angles on a tote or eurocontainer or electronic jig fixture trolley.