404011mm Aluminum General Heat Sink For 3d Printer Mk8 Extruder

Features: 1. Aluminum material, heat quickly 2. Chip spacing and neat, larger heat dissipation area 3. Surface oxidation treatment, high hardness Specifications: Size: 40 * 40 * 11mm Material: Aluminum Number of teeth: 13 Height of teeth: 8.8mm Color: Gold Application: For 3D printer Package Included: 1x Heat Sink