The Hotend Cooling Fan is designed to cool both the hotend assembly and the hotend itself to ensure proper printer operation during printing. The package includes 1 pc of Hotend Cooling Fan and 2 pcs of BT2-4 screws. The product is compatible with the A1 mini model. The fan is made of plastic and metal, the package dimensions are 105x54x33 mm and the weight is 40 g.