Automatic label rewinder 7inch rewinding diameter and 4inch width for compact but capable performance 10level speed adjustment to fit varying production needs Core sizes compatible with 1.49 inch, 1.57 inch, and 3 inch cores Twoway rewinding enables automatic synchronous operation Speed sensing technology Intelligent adjustment rod plus gravity selfsensing to maintain accurate alignment and prevent deviation Compatible with most printers for seamless operation Automatically stops when the printer halts to avoid waste or jams Unique knob design Sidemounted knob for easy speed checking and adjustment 110 gears with 0100 rpm rewinding range Improves ease of use and precise control over rewinding speed Printer head protection Selfadjusting pressure bar rises and stops rewinding if printer speed is too fast Protects the print head from potential damage during speed runs Use scenarios volume labeling on production lines with multiple printer models and label widths; automatic synchronous rewinding maintains consistent tension and stops automatically when printing pauses Environments requiring quick speed checks and adjustments; the sidemounted knob allows fast, precise tuning without interrupting workflow Facilities that use different label core sizes (1.49, 1.57, and 3 inches) and rewinding directions; twoway rewinding supports efficient handling and uninterrupted operation Key attributes Function: automatic label rewinder with twoway rewinding and synchronous operation Compatibility: designed to work with most printers Size: 7 inch rewinding diameter, 4 inch width Core sizes: 1.49 inch, 1.57 inch, 3 inch Performance: 10level speed adjustment, 0100 rpm rewinding, gravity selfsensing and intelligent adjustment mechanisms Protection: selfadjusting pressure bar protects print head from fast printer speeds