Description Thread Lubricating Box This is a BRAND NEW DELUXE THREAD LUBRICATION BOX with a permanent tank-type reservoir. Part No 757 Xref to AP30E There are three methods of attachment to the machine, Powerful built-in magnet. Fastening the holding screw onto the thread spool pin. Attaching Velcro to the underside of magnet & sewing head. We have had customers who struggled for years with melting thread or smoking hot needles that caused all kinds of problems. One fast installation of this thread lubricator box solved their problems immediately and permanently. You can run Two or three threads thru the felt pads at the bottom of the reservoir. The threads will be uniformly soaked with the contents of the reservoir.
