Q: Does this lock in place while holding the stone or is it necessary to hold the plunger down with your hand to keep the stone in the little holding cage?
Q: How do you make this tool release the stone?
Q: What is the smallest size stone/bead this tool can hold?
Q: Do these hold a stone very well while drilling?
Q: Why does this product have this warning" WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.?