Premium Die-cut Label - 2 in x 4 in, 2.3OD, 0.75 ID, Gap, 36 rolls/case, 150 labels/roll Product Type: Multipurpose Label Product Type: Multipurpose Label Compatibility: Brother RuggedJet Mobile Printers: 2 Series 3 Series 4 Series Manufacturer Part Number: RD-Q03U1 Packaged Quantity: 36 / Case Features: Die-cut Manufacturer: Brother Industries, Ltd Product Name: Premium Multipurpose Label Product Line: Premium Brand Name: Brother Brand Name: Brother Shape: Rectangle Core Diameter: 3/4 Shape: Rectangle Media Width: 2 Media Length: 4 Total Number of Labels: 150 Media Width: 2 Media Length: 4 Total Number of Labels: 150