35.mm
Feather key, for fixing wheels to axles | 35.mm1
Feather key, thicker (early ones broke easily) | 35.mm2
Tongue key, tongue overlaps clip | 35.mm2a
Tongue key, tongue starts at back of clip |
35.bs1
Spring clip, thin rounded legs, no tongue | 35.bs1a
Spring clip, thin rounded legs, no tongue, sharply cornered transition | 35.bs2
Spring clip, even legs, fully rounded ends | 35.bs
Spring clip, truncated ends (most common version) |
35.xx
Spring clip, bronzed | 35.bk
Spring clip, black plastic |