IMPA: 610773

21 mm Open & 12 Point Box Wrench – 15° Offset

This 21 mm combination wrench features both an open end and a 12-point box end, with a 15° offset angle for improved access in tight spaces. The open end has a slim jaw profile for quick engagement, while the 12-point box end provides maximum torque transfer and reduces the risk of rounding fasteners. Both ends are the same size, offering versatility for various bolting tasks.

Crafted from drop forged alloy steel and heat treated for hardness and durability, this wrench is built to withstand demanding marine and industrial environments. Ideal for ship engine room maintenance, machinery assembly, and general mechanical work.

Key Features

Technical Specifications

SpecificationValue
Opening Size21 mm
Overall Length265 mm (10.4 in)
TypeOpen & 12 Point Box
Angle15° Offset
MaterialDrop Forged Alloy Steel
FinishHeat Treated / Hardened
Both EndsSame Size Opening

Frequently Asked Questions

What is the advantage of a 12-point box end?

The 12-point design provides more contact points with the fastener, allowing for better torque transfer and reducing the chance of rounding off hex bolt heads.

Can this wrench be used on metric fasteners?

Yes, the 21 mm opening is designed for metric bolts and nuts of that size.

Is the wrench suitable for marine environments?

Yes, the drop forged alloy steel with heat treatment offers corrosion resistance and durability suitable for marine use.

What does the 15° offset do?

The 15° angle allows the wrench to access fasteners in tight or awkward positions where a straight wrench would not fit.

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