Integrated Wiring Layout: The housing, wiring harness, connector cable, and LED light board arrive together in a complete assembly so you can compare the visible layout before installation Single Pack For Maintenance: You receive 1 repair assembly for maintenance planning, making it easier to prepare a parts swap while confirming body shape and wiring direction Repair Part: This assembly is intended for cordless ratchet wrench service, helping you replace a worn control unit without confusing it with a full tool Control Function: Variable speed response and forward reverse function are described with caution, helping maintain familiar control behavior during repair work Reference Specs For Fit Check: The 21V reference and approximate 3.9x2.8x0.5cm body size provide practical checkpoints when matching this replacement part to your setup, Manufacturer: Piceioep