Hi m_c
Thanks for your post the oils superceded/discontinued then thats why I could not find them!
Yes it is fro my mill and I better gets some quick as it is nearing the low level. I will see if I can find the Shell Tonna M3 as you asy it is good spec. Failing that perhaps I may try this one on ebay or a Rock Oil one.
Delaway Slideway Oil 68 | eBay

Many thanks for your help it has put me in the picture and I now know what is good

All the best

suesi