Try as I did, I simply could not trim the two rubber bumpers from Step 6 to fit. I would put them in place and the drive (Seagate Exos 7E8 8TB Internal Hard Drive–ST8000NM0055) simply would not fit. I would be a bit too tall on one side or the other. The drive would be a bit off center one way or the other so that the SATA cable didn’t line up or the other bumper would not fit. Ultimately, I opted to forgo the bumpers altogether. I understand this may make the drive a bit wobble inside the housing and it may make vibration noise a bit more, but the drive fit without issue once the bumpers were removed.