Milwaukee's cordless right angle drill is designed for boring large holes between studs or joists or in tight areas. This tool is great for plumbing and electrical applications such as drilling holes to run wire through studs and joists or boring holes in floors for plumbing venting. The tool features an extremely rugged motor and gear train that is capable of handling some of the toughest jobs and is durable enough to withstand job-site abuse. The 0721 features a 1/2 inch keyed chuck that includes a thick, clear coat finish to help prevent rusting.