Product Description
The Proto J7121 1/2 Square Extension 7/16 Hex is a reliable tool made by Stanley Proto. This extension is crafted from forged steel and stamped with the size for easy identification. It features a ball detent but is not designed for impact applications.
- Made of forged steel
- Size stamped for easy identification
- Ball detent
Product Highlights
This tool from Proto is suitable for various hand tool extensions and drives. It ensures precise fastener engagement and longevity.
Product Information
Standard Information
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Brand: Proto
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Model / MPN: J7121
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Category: Adapters & Extensions
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Manufacturer: Stanley Proto
Technical Specifications
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Material: Alloy Steel
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Finish: Black Oxide
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Overall Length: 2 3/4 inches
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Input Drive Size: 7/16 inches
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Output Drive Size: 1/2 inches
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Input Drive Shape: Hex
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Output Drive Shape: Square
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Standards: ANSI B107.1, Federal Specification GGG-W-660A
