(Please click image for larger picture) The BF1 is on the bottom. The BF1 has a shorter blade and shorter handle than the BF2. The BF1's total closed length is 3.98 inches. The BF2's total closed length is 4.90 inches. Note the bridge clip that allows the knife to be carried discreetly. It is the responsibility of the buyer, not Xtreme Knives, to determine and follow all local, state, federal and international laws and ordinances regarding the purchase, possession, and use of any item purchased from us. Copyright 1999 - 2012 Xtreme Knives (tm). All rights reserved worldwide.