This is the D-Sub Pin Crimp Tool. This Crimp Tool is a professional grade All-In-One tool with a hardened steel die set. The D-Sub Crimp tool is designed to crimp both standard and high density D-Sub pins, and is only used with 20 to 28 AWG wires. This versatile tool has ergonomic covered handles for comfort, and is a perfect addition to your toolset. The D-Sub Pin Crimp Tool is the perfect tool for all your cabling projects. For more information on our products please contact our customer service department at 888-519-9505 For all your cable and connector needs choose Show Me Cables.