The asymmetic toolbox, typical of the prototype, is signwritten "Park Royal", a London station on the Great Western; opened in 1903 to serve an exhibition at the Royal Agricultural Showground, it closed in 1937.
| length/inches | 18 1/2 |
| width/inches | 9 |
| height/inches | 8 |
| weight/kg | 4 1/2 |