$36.99 – Diamond Sharpening Stone Set with Adjustable Non-Slip Holder [EU] (Banggood, Aliexpress: Diamond Sharpening Stone Set with Adjustable Non-Slip Holder 8 Inch 400/1000 Grit Fine Double-Sided Plate Whetstone Knife Tools (the best price with coupon)).
I have just checked coupons. The lowest price I could get is $36.99 for Diamond Sharpening Stone Set with Adjustable Non-Slip Holder [EU] (in Banggood). This is EU warehouse. You can create price alert here, copy coupons and view price history. Let’s see what best price is ATM.
Latest coupon and price update (UTC):
Banggood ($36.99)
Banggood warehouse is located in Europe 
. There is no active coupon in my database right now (for Banggood). Good or bad price? I don’t want to misguide you about the price. I don’t know if it’s good, because I don’t have enough records in my database…
Link: Banggood product page
Price: $36.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/feV
Old coupons (from the oldest to the newest): BGWDT15
(these coupons are old, so probably won’t work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – Diamond Sharpening Stone Set with Adjustable Non-Slip Holder ($38.99)
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Price history is not available for this item (not enough database records)! The lowest price was $36.99 though.
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)).