I have checked all old coupons and price is 60.99 USD for Woodworking Router Table Insert Plate Miter 4pcs Panel with Cover Set (in Banggood). Basically copy coupon, view price history or create e-mail price alert. You probably want to know what is the best price?
Latest coupon code price check (UTC time):
Banggood (60.99 USD)
Banggood warehouse is located in China. I can’t find any active coupons for this product in Banggood. Isn’t it too expensive? Maybe there’re no more promotions for this item, because current price is higher than average (which is equal 57.57 USD)
Link: Banggood product page
Price: 60.99 USD
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGWT15, BGa0b557, BGc8412f, BGfd2f33, BGWDT15, BGe8531d, BG76cfa1
(probably won’t work, but you can try them out)
Aliexpress
Here are coupons that you can use.
Price history and price alert
Here is price history (for all/most countries) for Woodworking Router Table Insert Plate Miter 4pcs Panel with Cover Set.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).