high quality low pricing aluminium standoffs series. diameter size: 13 ,15,19,25mm,spacer size:13,19,25,30mm, thread size:10mm high quality low pricing aluminium standoffs series. diameter size: 13 ,15,19,25mm,spacer size:13,19,25,30mm, thread size:10mm . More color choice , Main color : satin , glossy , blue , red , gold , black . sign standoffs CA-1925-GD