$14.99 – Upgrade Honing Guide Anti-slip Chisel Sharpening Jig (Banggood, Aliexpress: Upgrade Honing Guide Anti-slip Chisel Sharpening Jig for Chisels and Planes Sharpening Holder of Whetstone for Woodworking (the best price with coupon)).
According to my DB the lowest price is $14.99 for Upgrade Honing Guide Anti-slip Chisel Sharpening Jig (in Banggood). Just check coupons out (with price alert and history). What is best price?
Latest coupon code price check (UTC time):
Banggood ($14.99)
Banggood warehouse is located in China. Too bad there’s no coupon right now in Banggood. Isn’t it too expensive? Maybe there’re no more promotions for this item, because current price is higher than average (which is equal $13.32)
Link: Banggood product page
Price: $14.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGWDT15, BGbc8703, BG76cfa1
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
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
Do you need price history chart (for all/most countries) for Upgrade Honing Guide Anti-slip Chisel Sharpening Jig? There we go. The lowest price was: $11.99.
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)).