IMPA: 610771

17 mm Open & 12 Point Box Wrench – 15° Offset (IMPA 610771)

This 17 mm open and 12 point box wrench (also known as a combination wrench) features a 15° offset angle for improved access in tight spaces. One end is a thin, tapered open jaw designed for quick positioning over fasteners; the other end is a 12-point box end that provides greater contact area and torque transfer while reducing the risk of rounding fastener corners. Both ends are the same size, offering versatility for various bolting tasks.

Manufactured from drop forged alloy steel and fully heat treated, this wrench delivers high hardness, toughness, and wear resistance. It is ideal for marine engine maintenance, industrial machinery assembly, pipe fitting, and structural steel work. Each wrench is sold individually.

Key Features

Technical Specifications

SpecificationValue
Opening Size17 mm
Overall Length215 mm
TypeOpen & 12 Point Box
Angle15° Offset
MaterialDrop Forged Alloy Steel
FinishHeat Treated / Hardened
EndsSame Size Opening
IMPA Code610771

Frequently Asked Questions

What is the difference between an open end and a box end?

The open end allows quick placement onto fasteners in confined spaces, while the box end provides a more secure grip and higher torque application. This wrench combines both in one tool.

Is this wrench suitable for marine use?

Yes, it is made from drop forged alloy steel and heat treated, making it durable and resistant to wear in harsh marine environments.

Can I use this wrench for both tightening and loosening?

Absolutely. The 12-point box end works well for both tightening and loosening, and the open end is ideal for rapid turning.

What does the 15° offset mean?

The 15° angle allows the wrench to clear obstacles like raised flanges or other fasteners, providing better access in tight spots.

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