Compact 1x1 loader requiring electricity to run. There are options to enable or modify capabilities like stacking, disable power consumption, or recipe cost.
The recipe is so bad having underground belt as input make it so hard to make a mall early game for this. steel why not but you can unlock yellow tier and still have not unlock steel. Red, blue and green doesn't even require steel. Well I'm too lazy to list everything that wrong with recipe that a total mess.