Ample to Use and Share: you will receive 4 pieces of 1U punch panels and 16 pieces of screws, complete combinations, sufficient quantity for you to use, replace and share with others, practical for different situations, bringing convenience to your life Functional Usage: the rack mount panel connectors are widely applicable to keep internal equipment away from winding and electromagnetic interference, avoid dust and dirt from the rack, beautify the device and equipment, and organize cables and wires, making your rack cleaner and tidy Reliable Material: our 1U punch panel computer is made of metal, with a smooth surface, comfortable to touch, and you do not need to worry about scratching your fingers, reliable and safe, not easy to deform or break, sturdy for a long time use Proper Size to Use: the rack mount panel connectors measure about 19 x 1.7 inches/ 483 x 44.5 mm, long enough to connect the rack, equipped with 16 pieces of holes, ample to accommodate variou