$9.99 – Angle 90° right angle, Scale Metric and Inch, Surface treatment Anodized, Quantity 1pc, Brand Drillpro, Material Aluminum Alloy, Size 120x120mm, Application Wood jigs fixing fixture / right angle positioning, Color Red, Thickness 16mm.
According to my DB the lowest price is $9.99 for Aluminium 90 Degree 120x120mm Woodworking Positioning Square (in Banggood). Go down and check coupons out. Remember to check price history if it is available. Do you want to know what the best price is?
Latest price update (UTC time):
Banggood ($9.99)
Banggood warehouse is located in China. As you can see I didn’t find any active coupon for this product right now… Good or bad price? The average price for this item is $10.04, so I think it’s a good price!
Link: Banggood product page
Price: $9.99
Additional Banggood coupons: first page and second page
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): BGDRB18, BG937b3a, BG765917, BG842878, BGWT15, BGc8412f, BGa0b557, BGWDT15, BG20236Tool
(I don’t think these’re gonna work, but you can try ’em out anyway)
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
Price history (for all/most countries) for Aluminium 90 Degree 120x120mm Woodworking Positioning Square is here. The lowest price was: $6.99.
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)).