Steel door with split frame and lock, American steel door Features:1) 0.5mm galvanized steel sheet . 2) the door core is polystyrene or polyurethane foam. 3) the door surface with POWDER COATING or PVC LAMINATED finish. 4) 5-point lock with HANDLE 5) DOOR BELL AND PEEPHOLE available as per requirement 6) the frame is KNOCK DOWN PACKING in 4.25 inch or 11 inch. 7) standard sizes: 1980 or 2000 * 750,800,840,900*45mm Outer packing: hard paper cover four corners of the door leaf; door leaf and frame packing separately Conveyance: 730sets per 40' HQ