This Clover Heavyweight Needle Felting Tool Refill Pack is designed for with with the Clover Felting Tool. The pack contains five needles that can be used together or individually. These barbed needles are thicker than the fine needles to help piece and attach tougher or thicker materials. Special needlepoints on these needles interlace textile fibres. The finish looks great from both sides and is permanent, unlike thread and glue finishes. This pack is easy to use and will help you work with thicker materials.