5pcs Makerbot Aluminum Heat Sink 404011mm For 3d Printer Mk7 Mk8 Extruder

Feature: 1. Aluminum material, heat quickly. 2. Chip spacing and neat, larger heat dissipation area. 3. Surface oxidation treatment, heat fast, high hardness, beautiful color. Size: Dimensions: 40 * 40 * 11mm Hole spacing: 31 mm Package includes: 5 x Aluminum Heat Sink