... anti-drill, elegant, smooth and silent for using. Steel Door Material: Quality cold-rolled steel sheet & stainless steel 1 ... available 6. Colour: Diversified available 7. Door leaf thickness: 50mm, 70mm, 90mm8. Door frame thickness: 80mm-270mm available. 9. ... , locks, handles, viewer(peephole), doorbell, rubber seal, installing bolts,cover11. Opening direction: Left or right, Inside or Outside12. ...