Mine were perfect on specs but that was many years ago. I have heard anecdotal bits that their QC has declined. I bought another PK racquet later on that was 27 1/4 inches. But I actually preferred that.
I'm pretty sure that a quarter inch on length is withing racquet tolerances these days.
4 x IG Prestige MP, 70 cm, 376 grams, 386 SW, ALU Power @54