
Center Punches
SATA GL42218 Double Box End Wrench 16 x 17mm
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: Offers 16mm and 17mm sizes for versatile use across various fasteners.
Premium Steel Construction: Durable, high-quality steel ensures long-lasting performance.
Corrosion-Resistant Chrome Finish: Prevents rust and corrosion, prolonging tool life.
Precision-Engineered Box Ends: Snug fit reduces slippage, optimizing torque delivery.
Compact and Slim Profile: Ideal for working in tight or confined spaces.
Ergonomic Non-Slip Handle: Comfortable, secure grip reduces hand strain during use.
Lightweight Yet Strong: Easy to handle without compromising strength.
Laser-Etched Size Markings: Clear size markings for quick tool identification.
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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