Tension Unit, Singer (Vintage Original) - NUMBERED qp The smaller screwdriver - perfect

The smaller screwdriver - perfect for the gib hook screw

and worked in either threading direction

Original Pinking Attachment with Standard Pinking Blade

Many of you might be wondering

The most obvious spots are on the faceplate

Tension Unit, Singer (Vintage Original) - NUMBERED qp The smaller screwdriver - perfectOriginal Singer Tension Unit for the Singer 221 and 222 Sewing Machines. Slack Regulator sold separately. It really is a matter of ease and preference, but if your old Singer Sewing Machine, including but not limited to the Featherweight 221, has one of the old style Tension Units then you might consider the option of switching it to a numbered tension unit. You can replace them with an original from another old Singer Featherweight machine, which is