GYROS 12 PCS #54 Micro Drill Bit Set – Small Drill Bits for Jewelry, Plastic, Resin, & Soft Metal – Carbon Steel Wire Gauge Mini Twist Drill Bit Set for Pin Vise Hand Drill & Rotary Tool #54 (.0550”/1.397MM) 12

A 12-piece Gyros #54 micro twist drill set (.0550 in / 1.397 mm) made from high carbon steel for precise, small-hole drilling in jewelry and hobby materials. Straight shank bits store securely in a clear vial.