About this item 1 port surface mount box houses a keystone jack insert holder for mounting on a solid surface such as a wall, desktop, or office furniture; Upgrade or change the cable type easily by snapping in a new keystone. Simple installation of keystone jack insert blank box includes a slide-out frame for easy insertion of the keystone jack into the box; cable strain relief is provided by a cable guide and a place to connect the included cable tie to secure the cable; Surface mountable with the included screws or double stick tape. Cost effective 10 pack of surface mount boxes accommodates a home renovation project or a new installation of modular furniture in an office. Sturdy construction includes a UL listed (E486099) industry standard flammability rating, cable guides to provide strain relief, and a durable ABS shell that snaps together for a snug and secure installation. Keystone jack compatible with a standard keystone face up to a maximum length of 1.4 inches; cable guide a