5Pcs Tronxy 3D Printer Accessories Extruder Heat Block 20x20x10mm /16x16x10mm
Size: 20x20x10mm /16x16x10mm. - Fast and evenly heating, smooth extruder output. - Replace old or broken heating block with a new one. 5 x heating blocks. -Material: aluminum alloy. -Color: Silver. - Durable, and good quality.