[Replace Part Number #]: N866410; N880093; N851276 [Package Includes]: 4 PACK 20V DCF899 TYPE 4 Cordless Impact Wrench 1/2inch 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 Diameter of Anvil is 18mm / 0.7 Inch Chuck Replacement, Detent Pin Anvil, Driver Spindle Hammer Block For DCF899 DCF899B DCF899M1 DCF899P1 DCF899P2 Type 4 Impact Wrench Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour: Photo Color Material: Metal Package Contents: 4 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 the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.