When I was updating this page, then coupon price was $5.99 for Single Hand F Clamp 50mm for Woodworking (in Banggood). You can create price alert here, copy coupons and view price history. What is best price?
Single Hand F Clamp High Hardness Engineering Plastic G Style Design 50mm Maximum Opening Ideal for Woodworking and Model Aviation
Latest coupon and price update (UTC):
Banggood ($5.99)
Banggood warehouse is located in China. Hmmm… There is no active coupon in Banggood at this moment. Isn’t it too expensive? Cool, average is $7.39, so current price is lower!
Link: Banggood product page
Price: $5.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
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 Single Hand F Clamp 50mm for Woodworking? 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)).