... polyurethane or rock wool. 4. Locks: Specialist security lock with more locking points. (alternative available) 5. Design: ... requirement (height*width*thickness) 10. Accessories: Hinges, locks, handles, viewer(peephole), doorbell, rubber seal, installing bolts,cover11. Opening ... 90 degree, 180 degree. 13. Packing: In carton (PE film, plastic bag, strong carton)14. Container capacity: 100-148pcs/20Ft, ...