Keystone Snap-in Modules from Kong Cables provide a full range of solutions for voice, home networking, home office, audio, video and more. With the wide selection of snap-in modules, keystone wallplates and patch panels can be custom-configured to give you greater control and flexibility. Insert Type: Blank. Designed For: Snaps into patch panels and compatible wallplates and surface boxes. Application: Covers any unused ports. Certifications: UL listed.