The Performance Tool W2504 1/2" Manual Reversible Impact Driver is a powerhouse tool designed to deliver impactful performance, with up to 200ft/lbs of torque per blow, allowing you to easily remove brake caliper screws, rusted fasteners or frozen bolts. The tool comes with 8 S2 steel bits, including Phillips sizes #2 & #3, Slotted sizes 5/16" & 3/8", each in 1-7/16" and 3-3/16" (35mm/79mm) lengths, making it suitable for most common applications. The removable hex bit adapter allows the use of this impact driver with 1/2" drive sockets & accessories, giving you more versatility in your tool kit. With an oversized molded grip, the Performance Tool W2504 provides a more positive grip and reduces the risk of overstrike, allowing you to work with confidence. Featuring a heavy-duty mechanism, this impact driver is perfect for loosening firmly tightened or rusted screws or bolts.