Part Number: N438742. and chuck are integrated. Compatible with: DCD792 DCD791 DCD791B DCD792D2 DCD791D2. 100% -new It is fit to DCD791B (Type 1) 20v Max*xr Li-Ion Bl DCD791B (Type 2) 20v Max*xr Li-Ion Bl DCD791D2 (Type 1) 20v Mx Xr Li-Ion DCD791D2 (Type 2) 20v Mx Xr Li-Ion DCD791B (Type 3) 20v Max Brushless Cordless Compact 1/2-Inch (13mm) Drill/Driver DCD791D2 (Type 3) 20v Max Brushless Cordless Compact 1/2-Inch (13mm) Drill/Driver DCD791D2-B3 (Type 1) 20v Max Brushless Drill Kit Power Tool. it is fit to DCD792B (Type 1) 20v Max Xr Tl Com Dd Power Tool DCD791D2-B2 (Type 1) 20v Max Brushless Drill Kit Power Tool DCD791B-B3 (Type 1) 20v Max Brushless Drill Bare Power Tool DCD791D2-AR (Type 1) 20v Max Brushless Drill Kit Power Tool DCD791D2- (Type 1) 20v Max Brushless Drill Kit Power Tool DCD791D2-BR (Type 1) 20v Max Brushless Drill Kit Power Tool DCD792D2 (Type 1) 20v Max Xrtool Tool Connect Drill/Driver Power Tool. Colour:black Material:Metal + Plastic Package Contents: 1 * N438742 Drill Transmission 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.