Sold as 2 UNITS at $15.20 per unit. (1 unit = each.) Hydraulic cement. 1 lb. yields 18-3/4 cu.inches. Hard in 15 min. In one hour it develops a compression strength of 4500 lbs. per square inch. Never shrinks. Patches cracks and holes in floors, walls and ceilings. Anchors posts, machinery, parking meters, railing & appliances. Not for use under water. Self leveling. 10 Lb. Plastic Pail. Manufacturer number: 10010. SKU #: 18448. Country of origin: (TBA). Distributed by Hartline Products Co, Inc.