This stainless steel balustrade is designed to accept 1/2" (12 mm) tempered glass. It is ready-to-install for both commercial and residential applications. The glass clamp square post kits, the stainless balustrade parts in this square balustrade are manufactured from Schedule 40 2" (51 mm) Stainless Steel Tubing. Kits are supplied complete with a Base Plate, Base Plate Cover Canopy, Welded Top Cap, and Z-Series Glass Clamps factory attached to the Post.