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WR OE SLIM 12 X 13MM - Stanley Proto Industrial Tools

Part #: FM-31.12X13

The Stanley Proto FM-31.12X13 WR OE SLIM 12 x 13mm Open End Wrench is engineered for professional technicians and mechanics requiring precise fastening in confined spaces. This tool combines Stanley Proto's renowned durability with a slim, practical design, making it an essential addition for automotive and industrial applications where clearance is a critical factor.

Key Features

  • Slim Profile Design: Features an ultra-thin profile, specifically engineered to provide exceptional access in close quarters and tight work areas where standard wrenches cannot reach.
  • Durable Construction: Manufactured from special heat-treated alloy steel, ensuring strength and longevity under demanding professional use. The satin finish provides corrosion resistance and a slip-resistant grip.
  • Precision Metric Sizing: Equipped with accurate 12mm and 13mm open ends, offering a secure fit for metric fasteners.
  • Low Torque Application Focus: Specifically designed for use in low torque applications, making it ideal for delicate adjustments and components.
  • Optimized Openings: The wrench openings are designed to effectively cover tappets, screws, and lock nuts that may have excessive overhang, further improving access in challenging scenarios.

Applications

This Stanley Proto slim open-end wrench is an indispensable tool for a variety of tasks where space is at a premium. It is particularly well-suited for automotive maintenance, including working on engine components, brake lines, or other fasteners located in cramped engine compartments. In industrial settings, it excels in tasks such as tightening collars, securing lock nut rings, and sealing packing nuts on hydraulic cylinders, where its slim profile facilitates access around machinery. General maintenance professionals will find it invaluable for any job requiring access to fasteners in obstructed or restricted locations.

Specifications

  • Overall Length (Nominal): 161.900 mm
  • Head Thickness (Nominal): 6.400 mm
Only 1 left in stock - order soon

$19.24

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This product was added to our catalog on Saturday 11 July, 2026.

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