
Center Punches
SATA GL42101 Double Box End Wrench 3/8 x 7/16"
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 both 3/8" and 7/16" sizes, providing flexibility to tackle a variety of fasteners with ease.
Chrome Vanadium Steel Construction: Crafted from high-quality chrome vanadium steel for superior strength and longevity.
Corrosion-Resistant Finish: The chrome-plated surface protects against rust and corrosion, ensuring long-term durability and reliability.
Precision-Machined Box Ends: Designed to fit fasteners snugly, reducing the risk of slippage and offering effective torque delivery.
Compact Profile for Tight Spaces: The slim, compact design makes it ideal for working in tight and confined spaces, improving accessibility.
Ergonomic Non-Slip Handle: Provides a comfortable and secure grip, reducing hand fatigue during prolonged use.
Durable and Lightweight: Lightweight yet sturdy, this wrench provides comfortable handling without sacrificing strength.
Laser-Etched Size Markings: Clear, permanent size markings make it easy to quickly identify the wrench, saving time and improving efficiency.
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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