Axial AX30793 DIG Upgrade Set FEATURES: Compatible with the AX80051 Dig Transmission Case (AXIC0051) Creates a three function transmission; 4x4, 4x2 (freewheel) and Dig (rear locker) INCLUDES: Servo linkage, Slider Parts, Output Shaft, all Hardware COMMENTS: Servo not included; Instructions NOT included; They can be obtained online INCLUDES: Servo linkage, Slider Parts, Output Shaft, all Hardware COMMENTS: Servo not included; Instructions NOT included; They can be obtained online