[Replace Part Number]: N866410; N880093; N851276 [Package Includes]: 2 PACK 20V DCF899 TYPE 4 Cordless Impact Wrench, 1/2 inch Anvil Kit [Fits Models]: DCF899B Type 1, DCF899B Type 3; DCF899M1 Type 1, DCF899M1 Type 3; DCF899P1 Type 1, DCF899P1 Type 3; DCF899P2 Type 1, DCF899P2 Type 3 [Size]: The anvil diameter is 18mm / 0.7inch Chuck replacement, detent pin anvil, drive pin hammer block for DCF899 DCF899B DCF899M1 DCF899P1 DCF899P2 Type 4 generation impact wrench Please note: The physical color difference or difference does not affect the use, please don't worry! Color: Photo color Material: Metal Package Contents: 2 x Impact Driver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.