I have checked all old coupons and price is $23.99 for FONSON 140mm Extended Woodworking Thin Guide Jig (in Banggood). Check coupons or create price alert down below. Best price?
FONSON 140mm Extended Woodworking Thin Guide Jig Table Saw Fast Cutting Limit Fence Workbench T Track Guide
Latest coupon and price update (UTC):
Banggood ($23.99)
Banggood warehouse is located in China. There are no active coupons for this product, but the price is pretty low isn’t it? Is it cheap?
Link: Banggood product page
Price: $23.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGWDT15, BG76cfa1
(I don’t think these’re gonna work, but you can try ’em 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
Do you need price history chart (for all/most countries) for FONSON 140mm Extended Woodworking Thin Guide Jig? 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)).