2PCS Stepper Motor Drivers The buyer can wire and

The buyer can wire and play them directly in few minutes out of the box if you have had a 20~24V DC power supply or a 12V battery with a DC-DC converter (contact us if you have any question)

it would be very safe if you insert few diode inside wires or use fool proof connectors

the basic electric and mechanical knowledge are required

less vibration and extremely quietness

2PCS Stepper Motor Drivers The buyer can wire andWe refund "$4. 0 shipping fee" if you order Goto Kit or stainless gears at the same time. The drivers are high quality, less vibration and extremely quietness. Right ( Kimbrough JB542C) Entire Metal Case 1 200 Micro Steppers ( 1. 8 degree , 200 full steps motors) or 1 400 Micro Steppers ( 0. 9 degree , 400 full steps motors) Left ( DM556H ) Metal Plastic Case 1 256 Micro Steppers ( 1. 8 degree , 200 full steps motors) 1 512 Micro Steppers ( 0. 9