The Proto J4815AM universal joint socket is designed for improved access in tight and angled fastening applications. Featuring a 15mm size with a 1/4" drive, this professional-grade 6-point socket includes an integrated universal joint that allows flexibility when reaching obstructed or hard-to-access fasteners. Built from durable alloy steel, it provides secure fastener engagement while helping reduce fastener rounding during use. Ideal for automotive, industrial, and mechanical repair applications where maneuverability and precision are important.