DCF899B 20V Max XR 1/2 High Torque Impact Wrench (Detent Pin Anvil). The item "New Dewalt DCF899B 1/2 20V Max XR Brushless Impact Wrench With Detent Pin Anvil" is in sale since Wednesday, April 17, 2019. This item is in the category "Home & Garden\Tools & Workshop Equipment\Power Tools\Impact Wrenches". The seller is "swordg" and is located in Grove City, Ohio. This item can be shipped worldwide.