Unique, superior cable staple gun for diverse, demanding professional jobs and precision operation. Specially designed for low voltage cables up to 4.5 mm in diameter, the R28E features a new, patented easy to squeeze trigger with 3-step force adjuster which can be set to reflect the material’s hardness or the thickness of the cable. This function also makes the R28E 40% easier to operate. Ideal for regular, professional use when fastening low voltage cables such as speaker, telephone, antenna or computer cables.