At first glance these sockets are quite decent. But three of the six fuse holders we received don't fit in the main body. (These are cases, switches and fuse holders that need to be mated together.) The fuse holders' alignment tab is narrow, not wide like the mating ones, and the fuse holders themselves are wider than the cavity they need to slide into, .7mm: They don't fit at all. For the price paid, they should have been $1.83 each, but since half of them are unusable, they cost $3.66 EACHβ¦