ขนาด ราคา (กล่องละ)18mm X 1.5mm 13.-18mm X 2.0mm 19.-20mm X 2.0mm 20.-25mm X 2.0mm 22.-30mm X 2.0mm 26.-35mm X 2.0mm 28.-40mm X 2.0mm 33.-45mm X 2.5mm 52.-50mm X 2.5mm 60.-60mm X 2.5mm 70.-