Jack module block-out device, 10 block-outs (red) and 1 removal tool (black), polycarbonate., Panduit PSL-DCJB Jack Module Block-Out Device, 10 Block-Outs and 1 Removal Tool, Polycarbonate, Blocks unauthorized access to jacks and potentially harmful foreign objects, saving time and money associated with data security breaches, network downtime, repair and hardware replacement, Compatible with most RJ45 jacks to accommodate a variety of applications and does not interfere with jack contacts, Can be installed/removed without interfering with adjacent jacks or hardware