Anti-Tamper Fencing Spanner

Anti-Tamper Fencing Spanner for Temporary Fence Clamps

Increase the security of your temporary fencing installation with our professional-grade Anti-Tamper Fencing Spanner. Designed specifically for use with anti-tamper fence clamps and couplers, this double-ended spanner features a unique security prong socket that prevents unauthorised removal of fence panels — making it an essential tool for any site where security is a priority.

Compatible with all standard fence couplers and scaffold brackets, it combines a 7/16" and 21mm socket in a single durable tool.

Key Features

• Double-ended design — security prong socket and standard socket
• Combines 7/16" and 21mm socket sizes
• Fits all standard temporary fence couplers and clamps
• Fits all standard scaffold brackets and couplers
• Unique key design prevents use with standard spanners
• Professional grade — built for repeated site use
• Increases site security by deterring unauthorised panel removal
• Easy to use — no specialist training required

For more advice on securing your site perimeter, read our guide on building site fencing security.

Our Specialist Fencing Team is happy to help with any questions — get in touch today.