Latest update shows that Forstner Bit Set with Edge Banding Punching Pliers Countersink Drill Bit costs $18.99 (in Banggood). Go down and check coupons out. Remember to check price history if it is available. Let’s see what best price is ATM.
Forstner Bit Set with Edge Banding Punching Pliers Countersink Drill Bit Woodworking Screw Extractor Demolition Wood Drilling – A
Latest coupon code price check (UTC time):
Banggood ($18.99)
Banggood warehouse is located in China. I don’t think there is an active coupon right now – at least in my database. But wait a sec… Is it a good price? From what I can see this price is higher than average price ($13.99).
Link: Banggood product page
Price: $18.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
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
Here is price history (for all/most countries) for Forstner Bit Set with Edge Banding Punching Pliers Countersink Drill Bit.
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)).