I have 6 ingot moulds with some draft on the ends and 2 without. The 6 with draft make 6 3/4" long ingots, the other two make 6" ingots. All of them fall out fine when cooled, and these are heavy duty moulds, ya can't hurt them.
I can fit 4 of them in a USPS MFRB. How about 4 moulds shipped for 35.00? First buyer gets choice of which 4 he wants. Please post here to avoid confusion. I take checks/MO or Paypal.