The Milwaukee 14-30-8001 Impact Wrench Front Gear Case Housing protects and supports the front gear components in compatible Milwaukee impact wrenches. Designed to enclose the gear mechanism, this housing helps keep internal components properly positioned during tool operation. It is a practical replacement for a cracked, damaged, or worn housing that may affect the tool's assembly or... https://www.wholetoolbox.com/milwaukee-14-30-8001-impact-wrench-front-gear-case-housing/14-30-8001.html