The 16V Cordless Infinium 1/4" Drive Stubby Impact Driver Kit - Green, No. MCL16SIDKG, from Matco Tools, features a compact design with an overall length of less than 5" while delivering up to 300 ft-lbs of breakaway torque with its brushless motor. The driver is ideal for accessing and operating in tight spaces and uses a 1/4" hex opening for quick and easy bit changes. It also includes two 16V 2.5Ah Li-ion batteries, a charger, and a carrying case.