Fits the Superkingsize Sleigh Bed Perfectly (~0.2mm gap) --100%. points 
The Height is PERFECT.. if Bed Frame height  reduced to 5cm  or even 10cm  that could be COZY for (Superkingsize Sleigh Bed) --90% points.
DID it STOP the STANGE NOICES .. 100% Yes. (Previoud Wood Frame was tooo Noicy)
Easy Assembly -100% points
Is it Study-seems yes..its been 2 days we have brough it.  Little Disappointed on thin strings thats welded.. it can be deformed and with little strenth Dismantelled,,, I would have loved it If they could have made it stong.. ---50% points.{chinese product cant expect more}
Is it worth the Price? -- With the thin frame.. the cost to be ~80% of £70. if the Thin frames are thick frames.. its worth the cost. 
I am keeping it as its much better than noicy Wood Frame we had .