Spare heads I don't use;

Guideline 3D F/S2/S4 45g SOLD £30+Post
Mackenzie Floating 38g £15+Post SOLD
Fastcast Intermediate 44g £10 Delivered
RIO Skagit 37g £25 Delivered
RIO AFS Float 44g £25 Delivered
RIO Scandi F/H/I 42g £25 Delivered
Guideline Float 36g £25 Delivered

All with good loops. I think I have test cast them about twice each.