6 Pack 1/4" to 4mm Magnetic Hex Bit Adapter Drill Converter Set for DIY Repairs
6-Piece Adapter Set : Includes 3 × 45 mm, 2 × 25 mm, and 1 × 35 mm hex bit adapters for versatile use. Universal Compatibility : Converts 1/4" (6.35 mm) bits to 4 mm bits; fits most standard tools with hex drive systems.