Pinker / Pinking Blade, Singer (Vintage Original) Style:Straight In other words

In other words

Two Chicago World's Fair booklets/memorabilia

that the position finger (A2 in figure image above) of the bobbin case base enters the notch (B2) of the position plate attached to the underside of the throat plate

The tension on the thread take-up spring (T

Pinker / Pinking Blade, Singer (Vintage Original) Style:Straight In other wordsThese original specialty blades for the Singer Hand Crank Pinker or Singer Pinking Attachment are very scarce to find anymore. However, once in awhile we will have the Straight Cutting Blade and the Narrow Pinking Blade available. If you don't see it in stock at the moment, be sure to sign up for the "In Stock Notification" above and you will receive an e mail as soon as we have one available again. STRIP CUTTER & TRIMMER BLADE The straight edged