Magnetic Insert Bit Holder, For 1-4" Hex Bits, With C-ring, 1-4" Hex Shank With Groove, 8" Long

features and benefits:

• designed 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 msot general-purpose fastener-driving needs
• uses a rare earth magnet that is 4 times more powerful than common magnets