Home Crash-Rated Gates Crash Rated Barriers K4 Crash Rated Vertical Lift Gate and Operator System ASTM F2656 M30-P1/K4 K4 Crash Rated Vertical Lift Gate and Operator System ASTM F2656 M30-P1/K4 Product Notes Closes single clear opening widths up to 26’. Downloads Brochure Generic CAD Generic PDF Generic Specs Speak with a Spec Team Member Get expert insights for your security needs. Chat with a TYMETAL Spec Team Member today for personalized advice, product details, and custom solutions. Quick, professional guidance is just a click away. Contact Us