Slightly over scale, but still in keeping for standard scale engines, the sleepers are also ideal for narrow gauge. Can be used

For 16mm (5/8" x 5/8" ) Rail | Suitable for PNP Plastic Sleepers only

For 16mm (5/8" x 5/8" ) or 21mm (2lb/yard) steel or aluminium Rail | Suitable for Plastic or Wooden Sleepers