
Center Punches
SATA GL42208 Double Box End Wrench 21 x 23mm
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 21mm and 23mm box ends, offering flexibility to handle different fastener sizes.
High-Quality Chrome Vanadium Steel: Constructed from chrome vanadium steel for exceptional strength and resistance to wear.
Corrosion-Resistant Chrome Finish: The chrome plating protects against rust and corrosion, extending the wrench's longevity.
Precision-Fit Box Ends: Designed for a perfect fit on fasteners, minimizing slippage and maximizing torque transfer.
Slim Profile: Its slim design allows for access to tight or confined spaces, making it ideal for challenging applications.
Ergonomic Non-Slip Handle: Features a comfortable, non-slip grip for better control and reduced hand fatigue during extended use.
Lightweight Yet Strong Construction: Easy to handle and maneuver without compromising on durability or performance.
Permanent Size Markings: Laser-etched size markings ensure quick identification, improving work 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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