CP8528 Chicago Pneumatic 3/8” Cordless Hammer Drill Driver Pack The CP8528 Chicago Pneumatic 3/8” Cordless Hammer Drill Driver Pack is designed to be ultra compact and lightweight. The CP8528 Chicago Pneumatic 3/8” Cordless Hammer Drill Driver Pack features a 3/8” spindle lock and a keyless chuck, a max. torque of 24 ft.lbs / 34Nm, and a variable speed trigger. The CP8528 Chicago Pneumatic 3/8” Cordless Hammer Drill Driver Pack is also designed to be ultra compact, features LED lighting for dimly lit work areas, and is designed with an ergonomic handle to fit your hand perfectly. The CP8528 Chicago Pneumatic 3/8” Cordless Hammer Drill Driver Pack includes the CP8528 3/8” Cordless Drill Driver, (2) 1.5 Ah Batteries, and 1 Charger.