The Guardian Fall Protection "5K Concrete Anchorage Connector" is designed for use in 12" thick cured concrete substrate with a compression strength of at least 3000 psi. The product is easy to install (just compress its spring and insert the cable shaft into the concrete hole). The connector is constructed of stainless steel, aluminum and other non-corrosive materials. This product is made for use on vertical on overhead applications including fall protection, restraint, and work positioning. The anchor can fit a concrete hole size of 0.75 inches diameter and 3 inches deep minimum. The product is designed for single user connection and has a maximum capacity of 400 pounds. The ultimate breaking strength for this product is 5,000 pounds.