16 lbs.
A 'Chip Shot' or a 'Pitch Shot'
In general a shotput weights 16lbs in juniors (schools) - it weighs 12 lbs and in sub-juniors division - it weights 8 lbs
it would probably be easier just to buy one. Get a 6 lb. circular weight and there ya go.
Balance
7.26kg or 16lbs.
A circle
for men its 16lb. and for women 8.8lb.
Randey Barnes
The sport is "shot put"; the object thrown is called a "shot".The "shot" is basically a cannonball and is usually made of iron or steel, sometimes coated with some other material. Lighter weight shots may be sand inside a polymer (plastic) shell.
Found the answer - it is Shot Putt
1 centimeter