MTMTOOL M6 Aluminum Heater Block for MK7 MK8 3D Printer Extruder Pack of 5

Features: Great for MK7,MK8 extruder 3D printer hot end. Specification: Net Weight:42g Color:Silver Tone Material:Aluminum Alloy Inner Hole for Thermocouple:3mm/0.1" Inner Hole for Heating Tube:6mm/0.2" Total Size:20 x 20 x 10mm/0.8" x 0.8" x 0.4"(L*W*H) Package Includes: 5 x Aluminum Heater Blocks Note: Due to the manual measurement,there may be small deviations. The color may have different as the difference display,please understand.