This Bambu Lab P1P Heavy Duty Toolhead Cable connects the main circuit board and the MC mainboard. This cable provides power and enables data communication. The heavy duty cable is more resistant to bending and stretching than the original toolhead cable. If you want to place your P1P 3D printer in a closed case, it is recommended that you replace your original cable with this heavy duty cable. This product is only suitable for the P1P from Bambu Lab.