Multi-Color Selection & Auto Sensor Function: Equipped with built-in detection sensor for auto stop to avoid over-winding. This unattended filament rewinder supports 3D filament, craft wire and welding wire. Comes in yellow, blue, purple, green, pink, orange to match your desktop workspace. Solid Frame & Stable Smart Motor: Reinforced frame plus precision smart motor enables long-hour running for 1kg spools. Less frequent maintenance, perfect for hobby creators and industrial workshop operators. Wide Compatibility for All Filaments: No more trouble from incompatible materials. Fits standard 1kg PLA, ABS, PETG, TPU, Nylon spools, suitable for desktop designers and metal processing shops. Belt-Gear Drive Avoids Tangles: Synchronous belt and gear system maintains even tension. Wraps filament smoothly without knots, greatly cutting down your daily spooling time. Simple Knob & One-Touch Controls: No professional skills needed. Features speed adjustment knob, one-click start/stop and status indicator lights. Ready to use out of box for new starters and pros alike.