I have 2 of these from SP12 & SP10 if anyone wants them. As the title suggests - just the coil/pin assembles onto which the stlyus assemby/can fits. I believe the SP6/7/8 & 9 styli are also compatible - could be wrong though.
Chris.
The use of metaphors should be avoided like the plague. They're like a red rag to a bull to me.