... steel, stainless steel poleRT-2 Base with powder-coated steel, stainless steel poleRT-3 Base with chromium-coated steel, stainless steel ... poleRT-4 Base with ABS plastic, stainless steel pole ... Regulate the range: 90cmRT-7 Base with powder-coated steel,, aluminum alloy poleRT-8 Base with aluminum alloy, aluminum alloy pole I ...