Cheap kossel mini, Buy Quality smooth rod directly from China mini kossel Suppliers: Horizon Elephant 3 D printer accessory Rostock KOSSEL mini DIY smooth rod kit(6 pcs) M8 * 550 mm chromeplate top quality free sh
M8 * 550 mm smooth rod (6 pieces per set)chromeplate, ball bearing steels,harden ,58~62 HRC