
Center Punches
SATA GL42216 Double Box End Wrench 12 x 13mm
About this itemCIVIL SPEC APPROVED
- About this item• Double box end wrench design with 2 sizes per wrench• 40° offset double box end design provides 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
Dual-Box End Design: Provides both 12mm and 13mm box ends for versatile use on a range of fasteners.
High-Quality Steel Construction: Made from durable steel to withstand heavy use and resist wear, ensuring long-term reliability.
Corrosion-Resistant Chrome Finish: The chrome coating guards against rust and corrosion, extending the wrench's lifespan.
Precision Box Ends: Designed to provide a tight, secure grip on fasteners, preventing slippage and delivering better torque.
Slim, Compact Profile: Ideal for working in confined spaces, offering easy access to fasteners in tight spots.
Ergonomic Handle Design: Non-slip handle for a secure, comfortable grip, reducing hand fatigue during extended use.
Lightweight Construction: The wrench is lightweight, offering ease of use without compromising strength.
Clear Size Markings: Laser-etched size markings ensure quick identification and eliminate confusion during work.
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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