A uniformly blended and easy to use mixture of portland cement, sand and gravel specifically designed for general concrete use and repair. Perfect for any job requiring concrete applications of 2 in or thicker. Can also be used wherever commercial ready-mix concrete is used, especially when smaller quantities are required. Extremely strong and durable, achieves 4000 psi strength. For interior or exterior use. Meets requirements of ASTM C-387 specifications.