The SK 94545 3/8″ SAE Metric 12pt Spline Set Wobble Extension is a rare and fine ratchet set designed for automotive use. Included in the set are 45 pieces of sockets, extensions, and ratchets, all with a 3/8″ drive size. Made in the United States, the tools feature a chrome surface finish and are suitable for both SAE and metric measurements. The 12pt spline design allows for easy and secure connections, making this set a valuable addition to any mechanic’s tool collection.