Single Axis TB6600 4A 9-42V Stepper Motor Driver CNC Controller TTL16 Micro-Step
Applicable stepper motor: 42,57,86 type 2. 3, eight output current optional, the maximum output. 9, provide energy-efficient semiautomatic current lock function;. 1x Microstep Driver. phase 4-phase (4-wire 6 wire line 8).