L-COM 1.75 in Panel, 16 0.5 in D-Holes and Cable Minder, pre-punched 1/2 in D-Holes for simple installation of circular data, coaxial, and fiber adapters. Punched D-holes prevent connectors from rotating in the panel making for more reliable connections. Screened port numbers and write-on surfaces plus cable management brackets simplify cable organization and tracking. The durable black powder coat finish resists scratches.