304 & 316-grade stainless steel Grate Assemblies- Hex-head, torx, snake eye style security screws – Small 6mm grate holes – Anti-Roll features including concealed waterways as well as no anchor points – Vinyl Floor Waste Options – Height adjustable grates options - Retro fit Puddle Flange options – PVC, HDPE, Copper Pipe compatible – Watermark Certified