Hex Bit Holder, 3/8"" Square Drive, for 1/4"" Hex Shank Bits, Bulk

Features and Benefits:

• Desigend for insert bits only
• Can be used with socket wrench or socket adapter
• C-ring design has internal clip that fits into retaining ring notch of insert bit to hold bit securely in place
• Tool-grade construction is suitable for most general-purpose fastener-driving needs
• Uses a rare earth magnet that is 4 times more powerful than common magnets