IMPA: 610789

55mm Open & 12 Point Box Wrench 15° Angle

This heavy-duty 55mm Open & 12 Point Box Wrench is designed for professional marine and industrial use. The 15° offset angle provides clearance over obstructions, making it ideal for working in tight engine rooms and confined spaces. One end features a slim open jaw for quick engagement, while the other end is a 12-point box end that delivers maximum torque without rounding fasteners.

Manufactured from drop forged alloy steel and heat treated for hardness and toughness, this wrench offers exceptional durability and wear resistance. The same size opening on both ends ensures versatility, allowing you to use either end for the same fastener. At 635mm overall length, it provides excellent leverage for loosening or tightening large bolts and nuts commonly found on ship machinery, pipelines, and structural steelwork.

Key Features

Technical Specifications

Opening Size55 mm (2.17 in)
Overall Length635 mm (25 in)
TypeOpen & 12 Point Box
Angle15° Offset
MaterialDrop Forged Alloy Steel
FinishHeat Treated / Hardened
EndsSame Size Opening
IMPA Code610789

Frequently Asked Questions

What is the difference between the open end and box end of this wrench?

The open end features a slim jaw design that allows you to quickly slip the wrench onto a fastener from the side, ideal for tight spaces. The 12-point box end provides a more secure grip and can apply higher torque without slipping, reducing the risk of rounding bolt heads.

Is this wrench suitable for use on ships?

Yes, this wrench is specifically designed for marine and industrial applications. Its drop forged alloy steel construction and heat-treated finish make it resistant to the harsh conditions found in engine rooms and on deck. The 15° offset helps clear obstacles common in ship machinery.

What is the overall length of the wrench?

The wrench has an overall length of 635 mm (25 inches), providing good leverage for loosening or tightening large fasteners.

Does the wrench have the same size opening on both ends?

Yes, both the open end and the box end are sized for 55 mm fasteners, allowing you to use either end interchangeably.

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