Brought to you by Hartline products Co. Inc., carton Rockite cement is ideal for anchoring and patching. The specially formulated compound provides Unexcelled strength and bonding qualities. Easy to use, simply mix with water and pour. Utilizing quick-drying technology, the cement sets in only 15 minutes and, within one hour, has compression strength of 4,500 pounds per square inch. Extremely durable, the cement forms a permanent bond to both metal and concrete , and is perfect for securing bolts, posts, screws, checks, hooks, bowls, washers, railings, rods, signs, pulleys, racks, poles, seats, and motors.