Steel wooden door The door is with finger joint pine, filled with poly foam. We use 24 gauge and 26 gauge galvanized steel with powder coating or prime. All of our doors, frames or jambs and other related building products made in china to international standard. 1.Finger joint pine as door edge 1.Solid wood as lock block 2.Galvanized steel with powder coating or pvc coating 3.Steel door frame with pvc coating in the knock down packing without any welding, unassembled for ease of transportation and we provide fully installation components and tools. 4.Filling with foam 5.Diversified color available 6.Sound proof, warmth preserved, moisture proof 7.40hq: 660