Simpson Strong-Tie connectors make projects easier to build while making them stronger and safer. They are engineered and tested to perform and are manufactured to the highest quality standards. Whether working on a home project or building a structure to comply with building codes, go with the choice of engineers and contractors, go with genuine Simpson Strong-Tie connectors. The DS drywall stop eliminates costly blocking at top plate, end walls, and corners. A typical residence will use several hundred of these inexpensive clips with a substantial savings in blocking and labor.