Instant, precise, adjustment of thread tension without tools, dropped parts, or frustration makes it incredibly easy to move through a wide range of threads with a single bobbin. Perfectly balance for spinning/flattening, split thread, tasks, and you don't have to disassemble it to read the spool label. Two tube diameters to handle all your thread sizes.
To increase the tension on the thread, slide the spacer on the throat of the bobbin downward (toward the spool). Perfectly balanced when spun; making it spin smoothly when using the split thread method for dubbing loops, or when flattening thread. Hardened steel tube is very smooth preventing thread fraying. Allows for a quick change of the spool. Thick tube handles larger threads and materials.
Bobtec 1 has easy slide tension adjustment.
Bobtec 2 has heavy duty tube with thread tension control.
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