Small roller for rolling round and flat bar .
Can make thing like in the picture .
The max it can roll is 25mm x 6mm flat bar .
It will do 30mm x 4mm .
As for round bar 8mm and also 10mm 
but you have to start and bend the bar in the vice .
It will roll down to  2mm round bar.
Can see working at 
Elland sheet metal ltd
moorfield street 
Halifax HX1 3AY .
Can ring and leave message we get 
back too you so you have look at the machine