All parts liable to wear are heat treated.<br />For copper, brass, aluminium and polyethylene, the fluted handle contains a spare wheel.<br />It also has an integrated pipe-deburrer.<br /><br />No.1. Capacity 4 to 28mm.<br /><br />Spare wheel number MON273.<br /><br />Made in Britain.<br /><br />Capacity: 12 - 43mm">