The BEEF FILLET is the most tender cut of beef that needs to prepared with great care, and can be expected to melt in your mouth.  I like cooking fillet in my dome braai as a slow roast.
Richard 

TRIMMED BEEF FILLETS are sold individually in variable sizes Small (1.10kg – 1.49kg), Medium (1.50kg – 1.69kg), Large (1.70kg – 1.89kg), Extra Large (1.90kg – 2.20kg).