As shown in pics.
1mm to 13mm in 0.5mm steps.
If you can see this post and it's not showing 'Promised', it is still available - no need to ask!
If you would like it, please reply with a DAY and a TIME you would like to collect it, eg 'Thursday at 9am' rather than 'sometime Thursday' or 'Next week some time.' I will let you know if I'll be in at your preferred day and time or offer an alternative day and time.