3/10A top panel guide - not all this type guide are identical - sizes required to identify correctly (or sample, preferably).
3/10B 'Polo' float restrictor, keeps sash inline for smooth travel.
3/10C Alcan panel guide, for smooth sash travel.
3/10D Williams panel guide
3/10E Glostal panel guide, sold in pairs.
3/10F End cap LH and RH (again for Glostal / Monarch frames)
3/10G Now machined by us, countersunk guide.
Price (per item): £POA