McMaster 3294T61 Base for No Drill Railing, Galvanized Iron, Yellow, Accepts 4 Rails, OSHA Compliant 8843746 Cylinder Height 15 Cylinder Height 15 Includes 25 lb of Rapid Set Cement All Grout Color Family Gray Product Type Concrete Resurfacer Minimum Thickness 0 in Material Thickness Range 0 in 4 in Resistance Properties Nonshrinking Minimum Traffic Hours 1 hr Maximum Traffic Hours 1 hr Working Time 15 min Base Material Cement Cure Type Water Maximum Thickness 4 in VOC Content Range No VOC Compatible Materials Concrete & Masonry Safety Barrier Component Base Material Galvanized Iron Number of Rails Accepted 4 Pivot Increments 45° Color Yellow Specifications Met OSHA Compliant 29 CFR 1910 502 Performance Build Your Own