When I was updating this page, then coupon price was 8.99 USD for Drillpro 90 Degrees Aluminum (in Banggood). Just check coupons out (with price alert and history). What is best price?
Latest price update (UTC time):
Banggood (8.99 USD)
Banggood warehouse is located in China. Too bad there’s no coupon right now in Banggood. But wait a sec… Is it a good price? Maybe there’re no more promotions for this item, because current price is higher than average (which is equal 8.65 USD)
Link: Banggood product page
Price: 8.99 USD
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGDRB18, BGBFCR32, BGtr1801, BGtr2001, BG18baofu, BGherra, BG2fac64, BGWT15, BGa0b557, BGc8412f, BGWDT15
(there’s a little possibility that old coupon will work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – Drillpro 90 Degrees Aluminum Alloy Height Ruler Large (19.99 USD)
Aliexpress
Click here… to search for Drillpro 90 Degrees Aluminum Alloy Height Ruler on Aliexpress
Here are coupons that you can use.
Price history and price alert
Here is price history (for all/most countries) for Drillpro 90 Degrees Aluminum Alloy Height Ruler.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).