... distinctive style, arresting beauty, lasting durability, timeless performance in single or double leaf. STEEL DOOR Material:1. Steel door with ... .0mm for door frame) 3. Infills: Honeycomb material or polyurethane or rock wool. 4. Locks: Specialist security lock with ... , rubber seal, installing bolts,cover11. Opening direction: Left or right, Inside or Outside12. Opening degree: 90 degree, 180 degree. 13 ...