The Proto J7312HT impact socket is designed for demanding fastening applications in automotive, industrial, and mechanical environments. Featuring a 3/8" size with a 1/2" drive, this professional-grade 6-point socket is built for use with impact wrenches and ratchets under high torque conditions. The 6-point design helps provide secure fastener engagement while reducing the risk of fastener rounding. Constructed from durable alloy steel for dependable long-lasting performance in tough working conditions.