I rang sparkford when i got my dse they said they,ve got to produce 50,ooo units to make it viable so no go ,i suppose due to the thickness& the weight +having to have wheels and a drawbar they would be toooo hexpensive....dave
What I liked about the old style haynes was if it needed a special tool to do a certain job they found it could be done just as easy with a couple of 9/16 whitworth spanners and a brick ! They were the days.