Metal Connector Nailer up to 1-1/2" Engineered to be just as precise as it is powerful is the nature of the safety equipped SuperLocator SN438J. This metal connector nailer is ideal for strapping, fastening joist hangers, seismic and hurricane ties, rafter ties, post bases, caps, foundation anchors and other metal framing hardware. Our high performance driver blade is 1.7x more durable than your standard metal connector nailer that you may buy anywhere else, ensuring that your connectors secure each and every time. MAX is committed to manufacturing reliable tools that have been designed to deliver enhanced performance while making sure that users can carry out safe operations.