Just check coupons out (with price alert and history). Do you want to know what the best price is?
MUSTOOL 18V Power Tool Combo Kit 800N.m 6200rpm Electric Wrench and 125mm Cordless Angle Grinder with/without Battery – two battery & EU plug
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. Too bad there’s no coupon right now in Banggood.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
There were country-specific coupon codes published on Couponsfromchina social channels and price alerts. Coupon price may vary by country, because there’re different VAT rates, shipping cost etc. There is a chance that some latest coupons are still working:
Old coupons (from the oldest to the newest): BGGines, BGHPT15, BGb016a2, BG589b2e, BGSaleFeb8, BGSaleAD, BGMARCHSALE, BG20236Tool, BGPT07, BGCAPITALOS8, BGCOUPERT8, BGBFDAY8
(probably won’t work, but you can try them out)
Price history and price alert
Here is price history (for all/most countries) for MUSTOOL 18V Power Tool Combo Kit Wrench and Angle Grinder with 2 Batteries.
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)).