split edges

Hey everyone, I'm looking for just the split edges for the MF8 2x3x4, not with the cube, only the 3 pieces. This is what they look like: http://www.hknowstore.com/locale/en-US/item.aspx?corpname=nowstore&itemid=4d860793-9755-4816-9dc8-a71a57dbd014 They come with the cube, does anyone know...