10-02-2016, 09:42 PM
Specification is entirely separate to quality, it just means something conforms to certain industry standards. Try it out with trolley jacks, take a toolzone one vs snap-on - both will be made to conform to the same industry standard (bs en139 or something like that), but you can guarantee if you use the toolzone one heavily, run it close to tolerance or misuse it a bit then it'll die in fairly short order. There's a good guide about somewhere on understanding oils and what to look for on the label, i'm sure somebody more helpful will be along to link it soon. Or you could search for it tbf, although you'll have more luck using google than the forum search function.