Pla Filament Spool 【Material】 Metal and Plastic, stable, durable. 【Easy Assembled】Easy installation and quick installation. 【Rotatable 3D Printer Filament Holder】3D Printer Filament Holder is Rotatable, do not entangle the filament. It is very convenient to use. 【Compatibility】Suit for Ender-3 series, CR-10 series, Artillery Sidewinder X1, fits in most 3d printers. 【Package Include】1pcs 3D Printer Filament Bracket, 2pcs M4 T-Nut, 2pcs M4x8mm screws.