brand new and high quality Features:High Performance interconnections offer very low insertion loss.Keystone jack for fiber optic cables with LC type connectors.for standard keystone wall plates and used for 1U 8WAY/12WAY/16WAY and 2U 24WAY PanelOnly for computer network equipment which uses fiber optic connectors.Not be used to connect toslink optical audio cables like those used for home theater equipment.Socket only,other accessories demo in the picture are not included Specification:Type: Connectorsfor Shell Material: Metalfor Shell Color: BlackSize: D-SizeDimension: 31x26mm(1.22x1.02in)Quantity: 1 PC Note:1.No retail package.2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes:1 x Socket