Please add alternate item number 30499 to part 3684a.
Item number 30499 is currently only associated with part 3684. The 3684 catalog
entry is obsolete and will be marked for deletion once it is removed from all
inventories.
I have a few part 3684a (with hollow studs) with the part number 30499 moulded
inside. They have both the smooth/textured surface and both versions of the internal
supports. Parts made in mould 01 have a textured surface and has internal supports
on both sides of the center tube. Parts made in mould 03 have a smooth surface
and has internal supports on one side of the center tube.
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3684 Slope 75 2 x 2 x 3 (Undetermined Type) Parts: Slope