Combination wrench AWTools AW39778, weight 175 g, steel hand tool, open and boxed ends

AWTools AW39778 is a combination wrench that pairs an open-ended spanner with a boxed (ring) end to support manual tightening and loosening of nuts and bolts. Made of chrome-vanadium (CrV) tool steel, the wrench is drop forged, hardened and tempered for durability. The satin finish reduces slippage and the ring end is angled at 15° to improve access on flat surfaces. Clear size markings make the correct tool quick to identify for general mechanical, automotive, household and workshop tasks.

Advantages

The chrome-vanadium construction and heat-treated manufacturing process provide high strength and wear resistance while maintaining a compact, lightweight design at approximately 175 g. The satin finish improves grip and reduces reflections, and the 15° angled ring end increases reach and usability in confined or low-clearance positions. Markings on the wrench allow fast size recognition for efficient workflow, and compliance with DIN 3113 ensures standardised dimensions and reliable fit with compatible fasteners.

Suitable for

• Automotive repair and maintenance tasks
• General household repairs and assemblies
• Workshop and mechanical maintenance
• Hobbyist and amateur mechanics

Key specifications

• Material: Chrome-vanadium (CrV) tool steel
• Manufacturing: Drop forged, hardened and tempered
• Finish: Satin (anti-slip, reduced reflection)
• Design: Combination wrench with open end and boxed (ring) end
• Ring end: 15° angle for improved accessibility
• Weight: Approximately 175 g
• Standards: Complies with DIN 3113
• Size marking: Clear embossed markings for quick identification

How to use

Select the correct wrench size by reading the clear size markings. Place the open end or the ring end over the nut or bolt head; use the ring end where a secure, full-face contact is required, or the open end for quick engagement on accessible fasteners. Apply steady, controlled force to turn the fastener; avoid sudden impacts or using the wrench as a hammer. When working in tight spaces, use the 15° angled ring end to improve access and incrementally reposition the wrench as needed.

Usage recommendations

Inspect the wrench before use for visible damage or excessive wear. Use the appropriate size to prevent rounding fasteners, and combine this tool with torque-limiting devices when precise torque values are required. Store the wrench in a dry place to avoid corrosion despite the satin finish; regular cleaning after use prolongs service life.