Proxxon offset box-end wrench 10 x 11 mm PR23874

The Proxxon offset box-end wrench 10 x 11 mm PR23874 is a bent double-ended box wrench with opposing 10 mm and 11 mm ring heads. Its offset design places the working heads away from the handle axis to allow access to fasteners located in narrow, recessed or angled positions where straight wrenches cannot reach. The tool is intended for mechanical, automotive and general maintenance use and offers secure engagement with hexagonal nuts and bolts.

Advantages

The offset geometry improves clearance for knuckles and nearby components while allowing the user to work at an angle. Box-end heads offer full-face contact on hex fasteners to reduce rounding and slipping. The double-ended layout combines two common metric sizes in a single compact tool, reducing the number of tools needed for small repair and maintenance tasks.

Suitable for

• Accessing hex nuts and bolts in confined spaces
• Automotive repairs on tight engine bays and assemblies
• General mechanical and maintenance tasks around machinery and equipment
• Work where angled approach or increased ground clearance is required

Key specifications

• Tool type: offset double-ended box wrench
• Sizes: 10 mm and 11 mm ring heads
• Shape: bent/offset handle for clearance and angled access
• Contact style: closed ring (box-end) for full-face engagement
• Intended use: manual hand tool for hexagonal fasteners

How to use

Select the correct end for the fastener size, place the box-end fully over the nut or bolt head ensuring full engagement, then apply steady turning force in the required direction. The offset handle provides clearance from adjacent components; when space is limited, work in incremental turns by repositioning the wrench after each movement. Do not use the wrench with extensions or cheater bars beyond its intended manual leverage to avoid damaging the tool or fastener.

Usage recommendations

Use appropriate hand protection and ensure the fastener and wrench surfaces are clean before operation. Inspect the box-end for wear or deformation and replace the tool if the ring no longer seats squarely on fasteners. For stubborn or corroded fasteners, apply penetrating lubricant and attempt gradual loosening rather than sudden high torque.