Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – Woodworking Precision Clamping Square 160mm (19.99 USD)
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in Europe 
. Uhm… There’s no price history (in my database) for this product right now.
Link: Banggood product page
Coupon (19.12 USD): BGVEIKO
Coupon (20.24 USD): BGGines
(CouponsFromChina.com tip: paste coupon code in your cart and click Apply after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
There were country-specific coupon codes published on Couponsfromchina social channels and price alerts. Coupon price may vary by country, because there’re different VAT rates, shipping cost etc. There is a chance that some latest coupons are still working:
Old coupons (from the oldest to the newest): BGU98131, BGDRB18, BG421299, BGdab6ca, BG02cf64, BGHID18, BGVEI20, BG49023, BGa0b557, BG51943, BGVEI15, BG49a3dd, BG050c7c, BGWT15, BG45d0e0, BGWDT15, BG20236Tool, BG18JUL20239, BGVeiko15
(these codes were not working in latest coupon update, but you can check them out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – Woodworking Precision Clamping Square 160mm (19.99 USD)
Price history and price alert
There is only one database record (it was for 17.99 USD), so you can’t see price history chart.
You can set price alert (for Banggood).