Aluminium Heatsink 25 x 25 x 10mm (Pack of 10)

Cool your stepper motors.  Likely needs be used with thermal glue as well: https://3dprintgeneral.com/product/thermal-conductive-glue/

• Net Weight: 82g; Material: Aluminum
• Color: Silver Tone
• Dimension: 25 x 25 x 10mm/ 1″ x 1″ x 0.4″(L*W*T)
• Package Content: 10 x Heatsink
• Product Name: Heatsink