... cover2,Railing: Tempered glass, 8-12mm thick. or fitting drill with steel wire/ cable, Φ5mm.3,Tread / skirting: 10mm+1. ... then packed in carton. tempered glass pack in wooden case with polyfoam, irregualr shape keels packed in wood pallet. (or as ... your best choice. Contact me anytime. Other related staircases: waterproof and fadless stair with laminate glass skirting board and iron & steel banister