You can get 4 Pairs Gemfan Hurricane 4024 2-blade 4 Inch RC Propeller for $8.73 with coupon (from Banggood). You can create price alert here, copy coupons and view price history. What is best price?
Hub Thickness: 6.5mm, Blades: 2, Material: Polycarbonate, Item name: Hurricane 4024 Propeller, Blade Diameter: 102.2mm, Shaft Hole: 5mm, Diameter: 4″, Weight: 3.16g / pair, Brand name: Gemfan, Pitch: 2.4″
Latest price update (UTC time):
Banggood ($8.73)
Banggood warehouse is located in China. There are no coupons available at this moment in Banggood. What about the price? Hmmm, price is higher than average (which is $5.50 right now), so better set price alert down below…
Link: Banggood product page
Price: $8.73
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGMatt2022, BGToys8, BG25d4e7, BG589b2e
(probably won’t work, but you can try them out)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – 4 Pairs Gemfan Hurricane 4024 2-blade 4 Inch RC Propeller [EU] ($7.34)
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 4 Pairs Gemfan Hurricane 4024 2-blade 4 Inch RC Propeller.
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)).