... , 40x100mm , so on 4)flat bar : 25x5mm , 30 Stock PanelInformation of Stock Panel: 1)Stock Panel2)ISO9001 :2000 3)hole size : 30x100mm , 40x100mm ... , 60, 80mm etcUS standard: 19-w-4, 15-w-4, 11-w-4, 19-w-2, 15-w-2 etc. 3Twisted ... -1985, Japan:JIS please call me Miss Linda Mob:8618603182071 Stock Panel