4 Pcs 1/4 to 4mm Bit Adapter, 2 Pieces 1/4 to 4mm Hex Adapter Magnetic and 2 Pieces Drill Extension Micro Bit Holder for Sockets and Precision Bits Set Screwdriver Converter

Product name: Drill Bit AdapterMaterial: Metal alloyColor: Silversize: length 25mmlength 45mmPacking method: Plastic bagPacking list: 4pcs 1/4 to 4mm conversion head magnetic sleeve

• High-quality Materials: The 4mm screwdriver bits are made of high-quality carbon steel with high hardness, naturally polished surface and durable.
• Package Included: 2 pcs 25mm conversion drill bit adapters and 2 pcs 45mm conversion drill bit adapters, you will receive a total of 4 pieces 1/4 hex drive to 4mm adapter to meet your usage needs.
• Magnetic Function: The 1/4 to 4mm bit adapter has strong magnetism, which can help you fix the micro drill bit in place, so that it can easily lock the screwdriver head, helping you improve your work efficiency.
• Easy to Use: Our 4mm bit adapter converts the drill into a high-speed nut driver, used with a socket to increase the efficiency of tightening screws
• Wide Range of Uses: These bit adapters are versatile and suitable for a wide range of applications such as home, car, hardware store, factory or construction site