4mm. Private Owner 12T. 7-Plank Open Mineral wagon in “Hartnell & Son Taunton & Bishops Lydeard” livery with real coal full load is built from a kit. Please note this model also has a fleet number 25. It is in running order and good condition The spoked wheelsets are not metal-tyred. The scale buffers and three link couplings are not sprung.