$13.99 – Color: Silver, Material: Stainless Steel, Measurement Accuracy: DIN875-0 Grade, Size: 100x70mm.
When I was updating this page, then coupon price was $13.99 for 100x70mm 90 Degree Angle Corner Square Ruler (in Banggood). Basically copy coupon, view price history or create e-mail price alert. Best price?
Latest coupon and price update (UTC):
Banggood ($13.99)
Banggood warehouse is located in China. As you can see I didn’t find any active coupon for this product right now… Is it a low price? Hmmm, price is higher than average (which is $11.99 right now), so better set price alert down below…
Link: Banggood product page
Price: $13.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/i1u
Old coupons (from the oldest to the newest): BGherra, BGBFCR32, BGsqus18, BGsqus20, BGbackwo, BG18baofu, BGDRB18, BG17331, BGb77dcc, BGWT15, BGa0b557, BGc8412f, BGWDT15
(probably won’t work, but you can try them out)
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
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 100x70mm 90 Degree Angle Corner Square Ruler. The lowest price was: $8.99.
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)).