Made from 410 Stainless Steel (common for tools.) Opens rings to help in removing and inserting beads from captives.
Mini--Approximately 4" long. Works best on rings in tight places and small diameter rings. Medium--Approximately 6" long. Works best on rings from 1/4" to 3/4" in diameter and up to 6 gauge in thickness. Large--Approximately 7" long. Works best on rings from 3/8" to 1.5" in diameter and up to 2 gauge in thickness.