Proto J4990-4M 3/8 Hex Bit Socket - 4 mm

Product Description

The Proto J4990-4M is a 3/8 inch hex bit socket designed for durability and ease of use. This socket is ideal for trade professionals in need of reliable tools for various applications.

• Manufactured by Proto, a recognized brand in the tool industry.
• Features a hex opening that securely holds bits, allowing for optimal torque transfer.
• Constructed from heat-treated alloy steel for increased strength and longevity.

Product Highlights

This hex bit socket provides stability and reliable performance in demanding work environments.

Product Information

Standard Information

• MPN: J4990-4M
• Manufacturer: Proto

Technical Specifications

• Drive Size: 3/8 inch
• Socket Size: 4 mm
• Material: Steel
• Finish: Polished Chrome
• Overall Length: 2.72 inches
• Shaft Style: Bit
• Socket Points: Hex Bit
• Category: Hand Tools, Sockets