Electromagnetic Channel locks integrate into the HQ Avanté, HQ Simply
Sixteen, or HQ Sixteen using a control box and magnets that lock onto
thin plates of steel running the length of the frame and also the
carriage. This enables quilters to stitch perfectly straight horizontal
and vertical lines by manually using the attached control box. NOTE: Compatible with HQ Sixteen stand-up with Precision-Glide 8-wheel track system.
