Proto J4990-5MXL 3/8" Dr Metric Extra Long Hex Bit Socket, 5mm

The Proto 4990-5MXL is a 3/8-inch drive, 5mm metric extra-long hex bit socket engineered for accessing deeply recessed or hard-to-reach fasteners. Constructed from heat-treated alloy steel, this tool delivers the durability required for demanding maintenance and assembly applications. It features a corrosion-resistant polished chrome finish for extended tool life and easy cleaning.

Key Features & Specifications

• Drive Size: 3/8 in.
• Hex Size: 5mm
• Configuration: Extra Long
• Overall Length: 6-3/32 in.
• Material: Heat-treated alloy steel
• Finish: Polished chrome for enhanced corrosion resistance

Frequently Asked Questions

• What is the overall length of the Proto 4990-5MXL hex bit socket?
  The overall length is 6-3/32 inches, allowing for additional reach when addressing recessed fasteners.
• What drive size is required for this socket?
  This socket is designed to be used with a standard 3/8-inch square drive tool.