This is a professional-quality deep crank ring spanner designed for precise and efficient tightening and loosening of nuts and bolts. It features a long handle for enhanced leverage and access to hard-to-reach areas. Constructed from chrome vanadium steel and chrome plated for corrosion protection, it adheres to DIN 838 and ISO 3318 specifications. The jaw ends are accurately broached with chamfered bi-hexagon profiles and are offset at 45° to facilitate easy nut location and operation. Designed for use with 7/16 inch and 1/2 inch fasteners, it is suitable for automotive, plumbing, and general maintenance tasks.
Technical features
- Size: 7/16 inch x 1/2 inch
- Material: Chrome vanadium steel
- Finish: Chrome plated for corrosion protection
- Offset: 45° design for access
- Jaw ends: Accurately broached with chamfered bi-hexagon profiles
- Standards: DIN 838 / ISO 3318
- Compatibility: Nuts and bolts of sizes 7/16 inch and 1/2 inch
- Usage: For tightening or loosening in automotive, plumbing, or general maintenance
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