When I was updating this page the price was $9.99 for VEIKO 100mm Aluminum Woodworking Ruler (in Banggood). Go down and check coupons out. Remember to check price history if it is available. You probably want to know what is the best price?
Thickness 2mm, Color Red+Black, Degree 90 Degree, Material Aluminum Alloy, Size 100*90mm, Type Metric 100mm/Imperial 4 Inch, Brand VEIKO, Scale Laser Front and Back Double Scale
Latest coupon and price update (UTC):
Banggood ($9.99)
Banggood warehouse is located in China. There are no coupons available at this moment in Banggood. Low/high price? Let’s see… Average price for this item is $13.66 and current one is $9.99, so it’s a good price!
Link: Banggood product page
Price: $9.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGdceca3, BGGines, BG9e0b2d, BG42759, BGWT15, BG286e28, BGVEIKO, BG46c4f8, BG89e9d3, BG7f029b, BGa0b557, BGc8412f, BGVEI15, BGVeiko15
(there’s a little possibility that old coupon will work)
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 VEIKO 100mm Aluminum Woodworking 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)).