RCA Rotring Compass Attachment for adapting Rotring Isograph or Rapidograph Technical Pen.
- Fits 3.5 & 4mm Shank.
- Peg Slot is adjustable by 90°.
- Thread Suits Popular Technical Pens.
- Will Accept FLI25 Fineline Lead Insert.
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The Rotring RCA adaptor will fit a compass that has the typical 3.5 or 4mm shank.
This adaptor suits popular technical pens which, depending on your compass will be screwed down from the top of the adaptor or up from below.
The handle of the technical pen is removed for this last method.
It will also accept FL125 Fineline lead insert.