Hi yes it has a concaved bottom on the worm weights, i should know i have
this mold and use it all the time.
Model: LMBULLET 4 Cavity Mold 1 of each size 1/8, 1/4, 3/8, 1/2 oz
if anyone would like to order any of these worm weights just contact me at
my main e-mail address.
Treasurehunterenterprizes@yahoo.com
or
Brushcountryjamboree@gmail.com
Sincerely Dave