Shotput?
It weighs 4 kg or 8.8 lbs in high school
The anagram is shotput (shot-put, tossing a heavy ball).
16 pounds (7.26 kg)
shotput obviously
nine pounds on average
16 lbs.
SHEPRICAL
275 lbs (125 Kg)
Put them on some scales and find out
As heavy as it can get.
anaerobic