Yugster offers the Trades Pro Dual-Blade Locking Knife, model no. 835940, for $9.97. Coupon code "FreeYugBuck" cuts it to $8.97. With $3 for shipping, that's the lowest total price we could find by $4. It features a 2.5" straight blade, standard utility blade, wood handle, and leather pouch.
Note: The countdown timer on the product page does not reflect an actual expiration time and resets daily.