SPRING BALANCER - SB-7K
The SB-7K spring balancer is used to position the portable sewing machine for stitching the full sack over it. The fixed position of the machine can be changed depending on the working space or ergonomics. With minimal hand effort, the sewing machine can be brought up to the sack and stitched. After sewing, the adjustable balancer spring returns the sewing machine to its home position.
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