Max. Load kg: 3 / lb: 6.6Weight kg: 0.314 / lb: 0.682Material AluminumBottom Length L1 mm: 56 / inch: 2.2Top Length L2mm: 56 / inch: 2.2Total Length L1+L2mm: 112 / inch: 4.4Bottom Thread 1/4″ – 20 Ext.Top Thread 1/4″ – 20 Ext. + Nut