Amazon offers Prime members the Gerber Bear Grylls Ultimate Fine Edge Knife, model no. 31-001063, for $28.24 with free shipping. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping costs $5.74.) That's the lowest total price we could find by $17. It features a high carbon stainless steel blade, diamond knife sharpener, emergency whistle, and survival guide.