I've been looking at the bk7 for a while now, then I realized it's not 1/4" thick like the smaller BK2. Is there any Becker other than the bk2 with 1/4" thick blade? The BK7 is .188" which is roughly 3/16 of an inch if I'm not mistaken. Also, why would they make the bk2 (companion) 1/4"?