RCA Rotring Compass Attachment for adapting Technical Pens.
- Fits 3.5 & 4mm Shank.
- Peg Slot is adjustable by 90°.
- Thread Suits Popular Technical Pens.
- Will Accept FLI25 Fineline Lead Insert.
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 Fineline lead insert.