Demanding applications like driving large lags through support beams, setting anchors, and removing stuck weather-rusted nuts is a breeze with this Makita 7/16" Deep Well Impact Socket with 1/2" Drive (A-96241). It's made of Chromium-Molybdenum Steel (CRMO) for added durability and long life. At 3-3/16" deep, it provides a longer reach and the ability to fasten over longer threads. It's also laser etched for easy identification.