Those Buss fuse holders are NOT compact. There is too much space between fuses. I purchased one of them and did not use it because:
1. The fuses are not compact.
2. The sockets do not grip the fuses tightly, thus could lead to failure.
3. Wires and fastons stick out towards the front and side, not rearward.
So I made my own fuse holder using a PCB and better quality FUSE CLIPS
The 18 fuses are spaced just far enough apart to use a fuse puller. The wires exit straight out the back.
Do not let the reflection in the sheet metal confuse.