Smallest silicone tailcap and where to find it?

Flashlight Modding and DIY Parts
1

I am looking for something like on Ultrafire C20/Crelant, 8mm wide tops (6mm would be excellent), about 3-4 maybe 5 mm hight...

Ideas fellas :)

2

Like this

3

Wow. Thats pretty small!! Almost penlight size!

Dan

4

No, that one is too big, saw it yesterday...