Proto® 4990-6M Metric Socket Bits, 3/8 In Drive, 6 Mm Tip

The Proto 4990-6M Metric Socket Bits are engineered to provide a reliable connection between a 3/8-inch drive tool and 6 mm internal hex fasteners. These high-quality socket bits are designed to handle the torque requirements of professional automotive and industrial maintenance, ensuring a secure fit that prevents rounding of fasteners.

• Manufactured for durability and long service life in demanding mechanical environments.
• Precision-machined 6 mm tip ensures an exact fit into hex head bolts for maximum torque transfer.
• Compatible with any standard 3/8-inch drive ratchet or torque wrench for versatile jobsite use.

This tool is ideal for automotive technicians, industrial mechanics, and maintenance professionals who require precise metric bit sockets for assembly and repair tasks.

• Drive Size: 3/8 in
• Tip Size: 6 mm
• Part Number: 4990-6M

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