These are manufactured in predetermined lengths and are easily connectable achieving any length desired for large scale construction projects.  These chairs are available in many heights and will accept bar in any diameter.  They are DOT approved in the USA and Canada and are constructed out of a durable non-corrosive polycarbonate material. Points on the legs ensure minimal surface contact. These are sold by the box only.

1" x 32" lengths have 120 pieces per box

1.5" x 32" lengths have 90 pieces per box