knukonceptz klm cca

I might need to get a few metres of cable for my amp, and i came across this stuff KnuKonceptz KLM – 4 AWG CCA Power Cable | BladeICE I know Knu is a good brand, but has anyone used this 'KLM' range? The price is ridiculously cheap (it is on sale, i dont know how much it is normally) so i...