1)Diversified gas spring ball sockets are available. 2)ISO9001:2000 3)Material: PA66 4)Threads: M6, M8 Gas Spring ball socketsThreads: M6, M8Width between centres:18mmISO9001: 2000Feature:Good quality, low price,easy to install and fast deliveryMaterial: PA66Fixed in gas springQuality is assured for you, wherever you are in the world. OTHER: