With orders of $25 or more, Amazon offers Prime members the Ultimate Touch Cat Claw Clipper for $4.99 with free shipping. (Non-members can spend $35 to qualify for free shipping.) That's the lowest total price we could find by $5. They're made from surgical, stainless steel.

Note that this item is part of Amazon's "Add-on program"; it can only be purchased with an order of $25 or more.