Our stainless steel Ear Marking Pliers are made in Australia to standard sizes. Sheep Pliers are 12.5mm high or wide and Cattle Pliers are 18mm high or wide. When ordering your ear markers, please supply as much information as possible, particularly send a copy of your registration papers and quote State registration brand/design, numbers and letters and reference chart. Draw the position of mark on the ear and draw the shape of mark required.