I have checked all old coupons and price is 15 USD for TS-I TS-D24 TS-C4 (in Banggood). Just check coupons out (with price alert and history). Let’s see what best price is ATM.
Latest coupon and price update (UTC):
Banggood (15.00 USD)
Banggood warehouse is located in China. I couldn’t find any coupon for this product on latest product update. Is it a reasonable price for this item? Hmmm, price is higher than average (which is 9.46 USD right now), so better set price alert down below…
Link: Banggood product page
Price: 15 USD
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Aliexpress
There’re some similar items on Aliexpress in my database. There may be some other items though.
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
T12 Soldering Iron Tip Replacement | 2.76 USD | – |
More on Aliexpress… Here are coupons that you can use.
Price history and price alert
Do you need price history chart (for all/most countries) for Replacement Soldering Iron Tip TS-BC2 TS-I TS-D24 TS-C4 TS-K TS-KU TS-B2? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).