LC duplex adapter block-out device, 10 devices (red) and 1 removal tool (black), polycarbonate.KEY FEATURES AND BENEFITS:• TIA/EIA-604 FOCIS-10 compliant device fits all LC duplex adapters for a variety of applications and installations• Tamper-resistant design blocks unauthorized access to LC duplex ports to reduce the risk of damage, saving time and money associated with downtime, repair and hardware replacement• Compact, low profile design allows installation or removal without disturbing adjacent ports or installed patch cords in high-density applications• Also functions as dust plug to mechanically protect the LC adapter optics and render it “eye-safe”• Removal tool allows only authorized personnel to release the device, ensuring safety and security of your network infrastructure