When I was updating this page, then coupon price was 19.99 USD for 10Pcs T12 Lead-free Alloy Soldering Iron Tips Set (in Banggood). Get coupons, create price alert or check price history out! You probably want to know what is the best price?
Latest price update (UTC time):
Banggood (19.99 USD)
Banggood warehouse is located in China. Hmmm… There is no active coupon in Banggood at this moment. Low/high price? Well, this price is higher than average price (17.94 USD)
Link: Banggood product page
Price: 19.99 USD
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BG589b2e
(I don’t think these’re gonna work, but you can try ’em out anyway)
Aliexpress
Here are coupons that you can use.
Price history and price alert
Here is price history (for all/most countries) for 10Pcs T12 Lead-free Alloy Soldering Iron Tips Set.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).