Proto, J3020B, Open-End Wrench, 5/16 in x 3/8 in, 5 in, Heat-Treated Alloy Steel, Black Oxide, 15° Angle

Engineered for strength and reliability, this open-end wrench from Proto features a size of 5/16 in x 3/8 in and is crafted from heat-treated alloy steel. The special alloy permits slim shanks, ensuring durability while maintaining a lightweight design. Its standard open-end configuration and 15° angled heads provide easy accessibility in tight spaces, making it a practical tool for various applications. The non-reflective black oxide finish enhances grip and prevents glare in challenging working conditions, making this wrench a valuable addition to any toolbox.

Features

• Special heat-treated alloy steel permits slim shanks for strength and durability
• Standard open end configuration
• 15° angle heads
• Non-reflective black oxide finish for use where non-plated products are required

• Size: 5/16 in x 3/8 in
• Length: 5 in
• Width: 0.7 in
• Height: 0.7 in
• Weight: 0.09 lbs
• Material: Heat-Treated Alloy Steel
• Finish: Black Oxide
• Angle: 15°
• Wrench Style: Open End
• Country of Origin: United States
• Unit of Measure: SAE