ISO 3630-3:2015 specifies requirements and test methods for endodontic instruments used as pluggers and spreaders, used to compact endodontic filling materials not cited in ISO 3630‑1, ISO 3630‑2, ISO 3630‑4, or ISO 3630‑5.ISO 3630-3:2015 specifies requirements for size, marking, product designation, safety considerations, and their labelling and packaging.