- Black Keystone Blank Inserts 100 Pack- Fills unused ports allowing for future upgrades- Compatible with all standard faceplates, inserts, bezels, surface mount boxes, and blank patch panels- Compatible with all standard furniture faceplates, bezels, and surface mount boxes- Packaged in 100-pack - Black Keystone Blank Inserts 100 Pack - Fills unused ports allowing for future upgrades - Compatible with all standard faceplates, inserts, bezels, surface mount boxes, and blank patch panels - Compatible with all standard furniture faceplates, bezels, and surface mount boxes - Packaged in 100-pack