Tyre killer - Mairsturnstile.com

Tyre killer is also called traffic spikes, which is a kind of tire-breaking road blocker driven by a hydraulic power device, remote control, or wire control. The tyre killer is composed of a high-strength blocking section and an auxiliary hard stab. It is mainly used to intercept vehicles with malicious collisions. https://mairsturnstile.com/what-is-road-blocker.html