Proto J3021B Black Oxide Open-End Wrench - 3/8 x 7/16

Product Description

The Proto Black Oxide Open-End Wrench with MPN J3021B is designed for heavy-duty use. This tool features a wrench opening of three eighths by seven sixteenths inches, making it suitable for various fasteners. The overall length is five and seven eighths inches, providing leverage and ease of use for tasks in tight spaces.

• Non-reflective black oxide finish minimizes glare
• Made from heat-treated alloy steel for durability
• Standard open end design for versatility

Product Highlights

The wrench is ideal for automotive and general maintenance applications, where strength and a solid grip are essential.

Product Information

Standard Information

• Brand: Proto
• MPN: J3021B

Technical Specifications

• Material: Alloy Steel
• Finish/Coating: Black Oxide
• Overall Length: 5-7/8 inches
• Wrench Opening: 3/8 x 7/16 inches
• Head Angle: 15 degrees
• Handle Type: Flat
• Open End Thickness: 7/32 inches
• Throat Depth: 33/64 x 29/64 inches