Work more efficiently with the most versatile right angle drill driver on the market. With a head size of just 3-3/4 in, this M12™ right angle drill/driver is compact and lightweight for drilling and fastening in tight spaces, yet delivers 100 in-lb of torque. It's the first subcompact with a spindle lock chuck for maximum versatility and grip. It also features the industry's first electronic clutch, with 12 torque settings and an LED indicator for fastening with complete control. The M12™ REDLITHIUM™ battery pack (sold separately) delivers more work per charge and more work over pack life than the competitors. The on-board fuel gauge helps you monitor the charge precisely, so there's less downtime on the job and a built-in LED light illuminates the work surface. An extended paddle switch gives you ultimate comfort and convenience during prolonged use.