OST got back to me today, and the wall thickness is... (drum roll =20 please)... 1.5mm ! Quoting Kerry Wentworth : > I don't see it, either. But: > > The length of a 2 position unit is 20.5mm. Each position is 9.5mm. A > position width is 1 slot width + 1 wall width. > So: 2 slots + 2 walls =3D 19.0mm and 2 slots + 3 walls =3D 20.5mm. > Therefor, wall width =3D 1.5mm and slot width =3D 8.0mm. > > Kerry > --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .