The Bull wire stake is our heaviest duty wire stake. They are made from 8mm rod with a flat bar at the bottom to prevent bending when inserting them in the ground. The Top section is made from 4mm wire to insert into 5mm flute sheet. These wire stakes are also taller to give you greater visibility at the same time not compromising with strength due to the extra thick rod structure. There is also a spot to include an extra marketing card or home open time, you can make these out of 3mm flute sheet. If ordering more than one please email us as we have better postage rates. Script on this site makes postage too high.