This ingenious Double Arm Fitting Set for 1/2" Glass can be used to mount 1/2 inch (12 millimeter) tempered glass to posts, walls, glass fins, and canopy brackets. The compact attachment portion offers minimal obstruction to the glass, and you can choose from either a fixed or swiveling mount. Glass fabrication is limited to only one 3/4 inch (19 millimeter) hole per mount. Stainless steel construction for strength and durability. All attachment components are included per set.