Material: Metal+PlasticColor: Black+BlueSize:9 x 2.7cmPacking Included:10 x Speakon Speaker Microphone Cable 4 Pole Male Plugs Connectors* Reliable and robust， easy to install and disassembly.* Accurate and dependable twist lock latching system "Quick Lock"* Convenient latch design for easy handling.* Contacts meet all safety requirements