Just a little further, you're almost there. then your computer crashes to the floor! Why would you couple two shielded patch cables? One's too short. Join them in this metal coupler for the most durable connection. This shielded Category 5 In-Line Coupler provides an easy way to connect two CAT5 shielded patch cables. PRODUCT FEATURES: Meets Category 5 performance requirements; Extends the length of two Category 5 shielded patch cables; Shielded Coupler for Shielded Cables.