Are you looking for a and practical 3D printer 42 stepper motor driver ? Our products will be your . Made of excellent craftsmanship and safe materials, it has excellent durability and practicality. Reasonable design makes it easy to install and use, bringing you more convenience. Features -Color: Assorted. -Material: ABS. -Size: About 2.00X1.50X1.00cm/0.79X0.59X0.39in. - Compatible with existing 3D printer electronics, it is easy to use. - When the motor is not moving, the motor standby can be dynamically reduced. - The module has a large-area cooling pad, it can lower the temperature when the drive is working. - A newly upgraded driver module. Puts the chip inside, which is more conducive to heat dissipation. - Adopts the high- flat gold finish, which is more stable, has strong resistance and better heat dissipation. Package list: 5 x stepper