Makita A-96291 3/4" Deep Well Impact Socket with 1/2" Drive Chromium-Molybdenum Steel (CRMO) construction for added durability and long life 3-3/16" deep for longer reach and the ability to fasten over longer threads Locking hole keeps the socket securely attached to the impact Laser etched for easy identification High strength 6-point drive sockets for Extreme torque applications