These replacement felting needles can be used as is or as replacements in the Loops and Threads Single Needle Felting Tool or Multi-Needle Felting Tool. Needles are designed with barbs to mesh wool fibers for needle felting projects. Package contains both fine and coarse needles for delicate or heavy fibers. Details:3" (7.6 cm) needle length6 needlesFine needles are designed for delicate fibers; coarse needles are designed for heavy fibersCompatible with Loops & Threads single and multi-needle felting tools (sold separately)Contents:3 fine felting needles3 coarse felting needlesCaution: Product has a functional sharp point. Handle with care.