Inter-row bar for tubular-frame chairs.
Suitable for tube sections from 17mm to 32mm diameter.
Spacing between two rows is 50cm.
Made from 4mm flat-iron steel, it is highly resistant to floor abrasion.
Two holes are provided to enable it to be hung on loose ground. 
The clamping bolt is fitted with a knurled wheel to facilitate tightening.
The bar is powder-coated to resist corrosion.