Summary iPhone 6 car holder for iPhone 6 without a case. Must attach power adapter piece with 3mm screws. This is compatible with that one company that makes bases for lots of cars which I cannot mention here. You have to drill your own holes for whatever base you attach it to. Update: iphone6pwr2 attempts to fix issues with the power plug pulling out when you remove the phone. Instructions 10% infill, 1 shell, .2 height.