You can get Multifunctional Electric Soldering Station Auxiliary Clamp for $19.99 using coupon code (in Banggood). Basically copy coupon, view price history or create e-mail price alert. Let’s see what best price is ATM.
Multifunctional Electric Soldering Station Auxiliary Clamp Electric Iron Double Led Light Industrial Maintenance Bracket Type Magnifying Glass
Latest price update (UTC time):
Banggood ($19.99)
Banggood warehouse is located in China. There are no coupons available at this moment in Banggood. Is it expensive? Hmmm, price is higher than average (which is $10.41 right now), so better set price alert down below…
Link: Banggood product page
Price: $19.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BG589b2e, BG20236Tool
(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
Check out price history chart (for all/most countries) for Multifunctional Electric Soldering Station Auxiliary Clamp.
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)).