DCK411Q2: This 20-Volt Maximum Brushless 4-Tool Combo Kit includes 1 XR hammer drill/driver, ATOMIC Impact driver, XR oscillating multi-tool, reciprocating saw, two 4.0Ah batteries, charger and kit bag. The DCD805 hammer drill/driver is equipped with a 3-postion, pivoting LED for enhanced visibility in dimly lit work areas. At less than 4 in. in length, the DCF845 ATOMIC 20V MAX* ¼ in. Brushless 3-speed impact driver can handle a wide variety of applications without sacrificing power. The DCS382 reciprocating saw allows you to make quick cuts with the and change blades with ease using the twist-style keyless blade clamp. The DCS356 oscillating tool has 3-speeds to match your speed to application and works with most oscillating tool accessory brands. All tools included are backed by a 3-year limited warranty so you can buy with confidence. DCG413B: The 20-Volt MAX XR Angle Grinder features a brake, E-Clutch System, and Kickback Brake. The brake quickly brings the wheel to a stop in two seconds or less when the trigger is released. The E-Clutch System automatically shuts down the motor when a wheel pinch in detected. These two features working together to shut the tool down without user interaction, called the Kickback Brake. Additionally, the grinder features a One-Touch Guard, which allows for single-action adjustments to change guard position. Size: small.