SSTH1636-2 Size: 16" H x 36" W x 2" D Features: -Ramp.-Self supporting.-Durable aluminum.-Lightweight.-Designed for doorways that swing out or in.-Holes punched in top corners for easy installation.-Anti-slip.-High traction surface.-Hardware provided to secure ramp to surface.-Work best with doors that swing inward.-24" ramp: 24" H x 36" W x 3" D. Dimensions: -16" ramp dimensions: 16" H x 36" W x 2" D.