The coupon price for 100x70mm 90 Degree Angle Corner Square Ruler is $13.99 (in Banggood). Price history, coupons and price alert are available on this page. Do you want to know what the best price is?
Latest coupon and price update (UTC):
Color: Silver, Material: Stainless Steel, Measurement Accuracy: DIN875-0 Grade, Size: 100x70mm
Banggood ($13.99)
Banggood warehouse is located in China. There are no coupons available at this moment in Banggood. You probably want to know if this is a good 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/5cd
Old coupons (from the oldest to the newest): BGherra, BGBFCR32, BGsqus18, BGsqus20, BGbackwo, BG18baofu, BGDRB18, BG17331, BGb77dcc, BGWT15, BGa0b557, BGc8412f, BGWDT15
(these codes were not working in latest coupon update, but you can check them 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
Price history (for all/most countries) for 100x70mm 90 Degree Angle Corner Square Ruler is here.
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)).