The Bass Casting Sinker precision molds guarantee no flash or trimming. Pour in the lead and take out perfect castings every time. The wood handles make bulky gloves unnecessary. Each mold is machined and halves are perfectly matched. Molds are properly pinned to give perfect alignment. Use No. 7 barrel swivel. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Sinker Molds.