4-piece reaming needle set Note: Only suitable for reaming beads that have been drilled through holes or some holes blocked by glue, use reaming needles to twist and expand Not suitable for drilling Manual reaming needles are consumable tools. Diamond drill heads are very hard but also very brittle. The slender needles are easy to break if not handled properly. Please use with caution Specifications: 4-piece set, one set of mixed colors
