This 2 meter of black steel square tube has slots on one side and is 1.2mm thick. It works with all 25mm square tube system fitting and accessories that we offer.

Slotted holes are 20mm long x 4mm wideSlotted holes are 29/30mm apartX40 slots per 2 metre lengthDelivery options are available at checkout to EU countries. If you are ordering to a country where no delivery options show at checkout, please contact us and we will be able to assist you.  2 Meter 25mm Square Black Steel Tube with Slots