You can get 30cm Diamond Knife Sharpener 600 Grit for $9.99 with coupon (from Banggood). Go down and check coupons out. Remember to check price history if it is available. Best price?
30cm/12″ Diamond Knife Sharpener Sharpening Steel 600 Grit Oval Design Efficient and Safe Tool Sharpening
Latest price update (UTC time):
Banggood ($9.99)
Banggood warehouse is located in China. There is no active coupon in my database right now (for Banggood). Good or bad price? It looks like it’s a good price (lower than average ($10.74)).
Link: Banggood product page
Price: $9.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGWDT15, BG76cfa1
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Aliexpress
There’re some similar (or not) items on Aliexpress
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
Kitchen Sharpening Rod,Diamond Carbon Steel Knife Sharpening Rod,30cm Knife Sharpener,For Chefs Steel Kitchen Tool | $2.13 | – |
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Do you need price history chart (for all/most countries) for 30cm Diamond Knife Sharpener 600 Grit? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).