How much does this cost to the nearest dollar?

Trend 3-Inch Double-Sided Diamond Sharpening Stone, 180 & 300 Grit, Credit Card Sized Honing Stone with Storage Wallet, DWS/CC/CX
The Trend 3-Inch Double-Sided Diamond Sharpening Stone is a versatile and portable tool that every handyman should have in their toolkit. Its compact credit card size allows it to fit conveniently in your wallet, making it perfect for use on-the-go. The double-sided design features an Extra Coarse 180 Grit side for restoring dull edges and a Coarse 300 Grit side for sharpening your tool edges. This multipurpose sharpener is ideal for roughing gouges, HSS hollowing inserts, HSS coring inserts, scrapers, and repairing damaged edges,

Price is $31.00

Price: $30.92