This Deck spacer is for Zero 10x, Techlife X7S, Apollo Pro, Ice Q5, Varla Eagle one pro. What this does is allow you to use up to a 30ah pack for 67% more range in addition to a wider footprint for more space for your feet. you dont need to run a bigger pack for this if all you want is a wider deck. All the hardware is included. If you can put legos together then you can put this together with ease. It is printed with black PLA with 50% infill to make it much sturdier.