0.75mm diameter A good fibre for star ceilings. £0.22 / metre.
1.00mm diameter. A good general purpose fibre to suit star ceilings and many other applications £0.31 / metre.
1.50mm diameter. A thicker fibre with good light transmission capability, but less flexible than thinner fibres. Suitable for decking, skirting boards etc. £0.59 / metre.
2.00mm diameter. A fibre with good light transmission capacity, but lack of flexibility may be an issue where tight bend radius is required. £1.52 / metre.