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.

HARFINGTON 33/64″ Drill Bit 3/8″ Reduced Shank 3-Flat 4241 High Speed Steel Nitriding Black 118° for Soft Materials Wood Plastic Iron Copper Aluminum 33/64 inch 3/8″ Shank

A 33/64″ twist drill bit with a 3/8″ reduced shank for broader drill-chuck compatibility. Made from 4241 high-speed steel with a nitriding black finish and a 118° point for efficient drilling in wood, plastic, and common metals (not stainless steel).