Product Description This small threshold ramp is designed for doorway thresholds. Made of aluminum and surfaced with anti-slip traction tape it is lightweight yet durable. This will accommodate threshold heights of 2" to 4". Holes are pre-drilled in the top corners for easy installation. Each ramp comes complete with hardware for securing in doorway. From the manufacturer Prairie View Industries Threshold Ramp PVI manufactures high quality ramps available on the market today. We are proud to say our product lines are Made in the USA. Designed for Doorways that Swing In Holes Punched in Top Corners for Easy Installation Lightweight, Durable Aluminum Anti-Slip, High Traction Surface Hardware Provided to Secure Ramp to Surface