---
title: META's Raptor Overhead Ground Clamp Usability Study
description: "With over a year in development, our latest and patent pending innovation is the Raptor Overhead
Ground Clamp that significantly improves upon the industry’s leading “Duckbill” grounds."
---

[Meta Blog ](https://www.metadesignmfg.info/blog)

# [META's Raptor Overhead Ground Clamp Usability Study](https://www.metadesignmfg.info/blog/meta-raptor-usability-study)

 Written by  | Mar 25, 2021 7:00:00 PM

With over a year in development, our latest and patent pending innovation is the Raptor Overhead Ground Clamp that significantly improves upon the industry’s leading “Duckbill” grounds.

 

The final ASTM F855-20 certification test was successfully completed for the 3H and 5H rating at a third-party test facility. Next week we will have a follow-up blog on those results and a special stress test conducted by the lab.

[View full post](https://www.metadesignmfg.info/blog/meta-raptor-usability-study)

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