IMPA: 610726

12-Point Double Offset Wrenches for Ship Maintenance & Repair

Designed for marine engineers and ship maintenance crew, these 12-point double offset wrenches provide superior grip and torque on hex fasteners in tight engine rooms. The double offset design — with ends angled at 15° and 45° — gives you flexible access to recessed bolts and nuts commonly found on deck machinery, pumps, and propulsion systems. Perfect for ship chandler supplies, these wrenches meet the demands of offshore and inland vessels.

Manufactured from drop-forged chrome-vanadium steel and finished with a polished chrome surface, each 12-point box end resists corrosion from saltwater, oil, and harsh marine environments. The 12-point configuration allows for quick repositioning on fasteners, making it easier to work in confined spaces. Available individually or as a set, these double offset wrenches are a versatile addition to any vessel’s toolbox.

Whether you are a professional ship repair technician or a boat owner looking for reliable hand tools, these offset box wrenches deliver lasting performance. Trust the expertise of your marine supply store to keep your operations shipshape.

Key Features

Technical Specifications

SpecificationDetail
IMPA Code610726
Product Name12-Point Double Offset Wrenches
MaterialChrome-vanadium steel
FinishPolished chrome plated
DesignDouble offset box end
Points per End12
Offset Angles15° and 45°
Available Sizes8mm to 32mm (or 5/16" to 1-1/4")
ApplicationMarine engine maintenance, ship repair, industrial use
Qty per SetOptional – sold individually or as a set

Frequently Asked Questions

What does a double offset wrench do?

A double offset wrench has box ends angled at two different positions (typically 15° and 45°) to help you reach bolts and nuts in tight or recessed areas where a standard wrench cannot fit. It allows you to flip the wrench for an extended turning arc and better access on marine equipment.

What is the benefit of a 12-point wrench?

A 12-point box end provides 12 engagement points on the fastener, so you can attach the wrench at more angles. This is especially useful in confined spaces where the swing arc is limited, as you only need 30° of rotation instead of 60° for a 6-point wrench.

Are these wrenches suitable for saltwater environments?

Yes, the chrome-vanadium steel body is heat-treated and finished with a polished chrome plating that offers excellent corrosion resistance. Regular rinsing after exposure to saltwater will further extend the life of the wrenches.

What sizes are available?

The 12-point double offset wrenches are available in a range of metric and SAE sizes, typically from 8 mm to 32 mm or 5/16" to 1-1/4". You can purchase individual sizes or a complete set to cover most shipboard maintenance tasks.

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