The Brady die-cut thermal transfer printer cartridge comes packaged 450 labels per cartridge and is used with IDXPERT. These items come in a variety of shapes & sizes to accommodate many situations. The measurements for the Brady B-428 die-cut thermal transfer printer cartridge are: 1.13 in W x 1/2 in H. Supports thermal transfer printing. One of the important components to selecting the right product is the proper label and adhesive material. This die-cut thermal transfer printer cartridge uses polyester for the label material and permanent acrylic as the adhesive.