A universal and adjustable filament spool holder for your 3D printer. The 123-3D Filament Spool Holder is an essential accessory for any 3D printer. This sturdy and durable spool holder supports a wide range of filaments, keeping your prints smooth and consistent. Thanks to its unique design, the holder is compatible with spool widths from 56mm to 140mm, making it suitable for most filament brands and types on the market.