The Cisco Switch Stacking Cables CAB-STACK-3M-NH-RF are brand new, high-quality cables designed for rack-mountable switches. With a length of 3 meters per cable, these cables are ideal for stacking multiple switches together to create a larger, more powerful network switch. Specifically designed for Cisco switches, these cables are reliable and efficient for enhancing your networking setup. This quantity of 4 ensures that you have an ample supply of stacking cables for your network infrastructure needs.