Vielong Epsilon Super Badger 2-band, bulb: 26/50 (but I measure it to be 28 by 48/49 mm loft). This is the densest brush I have ever seen, used and own. Major backbone, but super soft tips...It took me several lather-ups to get the stink out of the brush. I really stank, like unbelievable bad pig farm smell...This is really the very first brush I ever owned that stank, but now the stink is gone and its a great brush. Not for the faint hearted....hair reminds me of Shavemac D01 two-band.