Protective Vacuum Pre Amplifier Transparent Preamplifier Review

There are 4 female-female, 4 female-male standoffs and 8 screws in this set, and it is very easy to assemble them together. This set come in parts to prevent them from crush or damage during transportation. Specially designed for 6J1 valve tube preamplifier board with exactly correct opening and size. This protective case kit is made from high quality acrylic material with good transparency. Each acrylic part is covered with protective layers on both sides to avoid scratching, peel off the cover when use them.