
Center Punches
SATA GL42309 Deep Offset Double Box End Wrench 20 x 22mm
About this itemCIVIL SPEC APPROVED
- About this item• Double box end wrench design with 2 sizes per wrench• 70° offset double box ends for better access to recessed fasteners• Off-corner loading design on box ends provide better grip and reduces fastener rounding• Sleek head design enables access to tight spots where a ratchet will not fit BS EN COMPLIANT
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Uses & Advantages
Primary Uses
- For the structural repair of concrete elements where high compressive strength and low permeability are required.
- Suitable for columns, beams, piers, and heavy industrial slabs.
Key Advantages
- High compressive strength (> 70 N/mm² at 28 days
- Shrinkage compensated
- Low permeability provides high resistance to carbonation and chloride ingress
- Pre-bagged unit eliminates site batching errors
FEATURES & BENEFITS
Key Advantage
High compressive strength (> 70 N/mm² at 28 days
Key Advantage
Shrinkage compensated
Key Advantage
Low permeability provides high resistance to carbonation and chloride ingress
Key Advantage
Pre-bagged unit eliminates site batching errors
Deep Offset Design: Ensures optimal access to hard-to-reach fasteners, especially in tight spaces.
Dual-Sized Box Ends: Features both 20mm and 22mm sizes for enhanced versatility, reducing the need for multiple tools.
Premium Steel Construction: Made from high-strength steel for superior durability, providing long-term performance.
Corrosion-Resistant Chrome Finish: The chrome finish protects against rust, extending the tool's lifespan.
Secure Fit: The box end design ensures a secure grip on fasteners, minimizing slippage and potential damage.
Ergonomic Grip: Non-slip handle offers a comfortable, firm grip, reducing hand strain during prolonged use.
Compact Profile: Slim design allows easy maneuverability in confined spaces without compromising strength.
Clear Size Markings: Laser-etched size markings for quick and easy identification, saving time on the job.
Key Specifications
Storage & Handling Guidelines
- Store in original unopened sealed container in cool, dry indoor conditions.
- Keep away from direct sunlight, rain, frost, and high humidity environment.
- Shelf life is 12 months when stored properly between +5°C and +35°C.
- Reseal opened containers immediately after use to prevent moisture contamination.

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